* {
    margin: 0;
    padding: 0;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

html {
    box-sizing: border-box;
}

html,
body,
#wrap {
    height: 100%;
}

body > #wrap {
    height: auto;
    min-height: 100%;
}

body {
    background-color: #fff;
    margin: 0;
    font-family: "Montserrat", sans-serif;
    min-height: 100%;
    margin-bottom: -52px;
}

.body {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

h3 {
    padding: 0;
    margin: auto auto auto 15px;
    text-align: center;
    font-size: 18px;
    font-weight: 400;
    color: #fff;
}

.top-container {
    display: flex;
    justify-content: center;
    text-align: center;
}

.container-child {
    display: flex;
    justify-content: center;
    padding: 5px 15px;
}

.icon {
    height: auto;
    width: 28px;
    margin: auto;
}

.wrapper {
    padding-top: 40px;
    max-width: 1200px;
    margin: auto auto 40px auto;
}

.title {
    margin: 50px 0;
}

.header {
    overflow-y: hidden;
    padding: 35px 0;
    margin: auto;
    /* background-color: #e98e19; */
    box-shadow: 0px 5px 4px -4px rgba(0, 0, 0, 0.3);
    box-shadow: 0px 20px 30px rgba(0, 255, 255, 0.3);

    background-image: url("../img/1920x1080_px_abstract_minimalism_Simple-775688.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    height: auto;
    width: 100%;
    border-bottom: 10px solid cyan;
}

.headToggle {
    padding: 20px 0 60vh 0;
    transition: 0.3s;
}

.sticky {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navigation {
    width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
}
.logo {
    display: inline-block;
    text-decoration: none;
}

.logo-text {
    display: block;
    font-family: "Montserrat", sans-serif;
    font-size: 30px;
    font-weight: 100;
    color: cyan;
    -webkit-text-fill-color: cyan;
    /* -webkit-text-stroke-width: 1px;
    -webkit-text-stroke-color: cyan; */
    line-height: 30px;
    transition: all linear 0.25s;
    -webkit-transition: all linear 0.25s;
}

/* .logo-text:hover {
    color: #ffffff;
    transition: 0.3s;
} */

#zoom-fade {
    -webkit-transition: 0.5s ease-in-out;
    -moz-transition: 0.5s ease-in-out;
    -ms-transition: 0.5s ease-in-out;
    -o-transition: 0.5s ease-in-out;
    transition: 0.5s ease-in-out;
    -webkit-text-shadow: 0 0 50px transparent;
    -moz-text-shadow: 0 0 50px transparent;
    -ms-text-shadow: 0 0 50px transparent;
    -o-text-shadow: 0 0 50px transparent;
    text-shadow: 0 0 50px transparent;
    color: rgba(255, 255, 255, 0.8);
    overflow: visible;
    transition: all linear 0.25s;
    -webkit-transition: all linear 0.25s;
}

#zoom-fade:hover {
    -webkit-text-shadow: 0 0 0px cyan;
    -moz-text-shadow: 0 0 0px cyan;
    -ms-text-shadow: 0 0 0px cyan;
    -o-text-shadow: 0 0 0px cyan;
    text-shadow: 0 0 0px cyan;
}

.menu {
    width: auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    list-style: none;
    margin: auto 0;
    padding: 0;
}

.menu li {
    text-transform: uppercase;
    position: relative;
    margin: 0 10px;
}

.menu li:last-child {
    margin-right: 0;
}

.menu li a {
    display: block;
    text-decoration: none;
    font-size: 18px;
    font-weight: 400;
    color: rgba(0, 255, 255, 0.302);
    font-family: "Montserrat", sans-serif;
    transition: color 0.2s linear;
}

/* .menu li a:after {
    position: absolute;
    display: block;
    content: '';
    height: 3px;
    width: 100%;
    margin-top: 10px;
    background-color: cyan;
    transition: opacity 0.2s linear;
    opacity: 0;
    
} */

.menu a:hover {
    color: cyan;
}

.menu li a:hover:after {
    opacity: 1;
}

.section-services {
    padding-bottom: 40px;
}

.section-documents,
.section-consumers {
    margin-bottom: 163px;
}

.title-text {
    margin: 0;
    text-align: left;
    font-family: "Montserrat", sans-serif;
    font-size: 24px;
    font-weight: 300;
    text-decoration: none;
    color: #000;
}

span {
    font-weight: 400;
}

.h2 {
    text-align: left;
    margin: 0;
    font-family: "Montserrat", sans-serif;
    font-size: 30px;
    font-weight: 400;
    text-decoration: none;
    color: #000;

    margin-left: 30 px;
}

.line {
    line-height: 1;
    position: relative;
}

.line::before {
    content: " ";
    position: absolute;

    left: -15px;
    top: 0;
    height: 100%;
    width: 3px;

    border-radius: 5px;
    background-color: cyan;
}

.info-text {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    font-weight: 400;
    text-decoration: none;
    color: #fff;
}

.documents-text {
    width: 1170px;
    margin: auto;
    text-align: center;
    font-size: 24px;
    font-weight: 400;
    color: #000;
    text-decoration: none;
    transition: 0.3s;
}

.documents-list {
    padding-bottom: 100px;
    list-style: none;
}

.consumers-list {
    list-style: none;
    padding-bottom: 50px;
}

.documents-list li,
.consumers-list li {
    transition: all linear 0.25s;
    -webkit-transition: all linear 0.25s;
    margin: 10px 0;
}

.documents-list li:hover,
.consumers-list li:hover {
    font-weight: 500;
    color: #000;

    background-image: url("../img/next.png");
    background-origin: content-box;
    background-position-y: 4px;
    background-repeat: no-repeat;
    background-position-x: -20px;
    background-size: 18px;
    padding-left: 20px;

    transition: 0.4s;
}

table {
    margin: 0 auto;
    font-family: "Montserrat", sans-serif;
    text-align: left;
    background-color: rgba(0, 0, 0, 0.3);
    border: 15px solid rgba(0, 0, 0, 0.3);
    border-collapse: separate;
    border-spacing: 5px;
    color: #fff;
    border-radius: 20px;
    margin-bottom: 20px;
}

th {
    font-family: "Montserrat", sans-serif;
    background-color: rgba(0, 0, 0, 0.5);
    font-size: 18px;
    padding: 10px;
}

td {
    background-color: rgba(0, 0, 0, 0.4);
    color: #fff;
    padding: 10px;
}

.section-contact {
    width: 1200px;
    margin: auto;
}

.form {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    padding-bottom: 100px;
}

input,
textarea {
    width: 465px;
    padding: 0;
    border-radius: 5px;
    text-indent: 20px;
}

::placeholder {
    text-transform: uppercase;
    font-size: 14px;
    font-family: "Open Sans", sans-serif;
    color: #bbbbbb;
}

input {
    display: block;
    height: 50px;
    margin-bottom: 30px;
    margin-right: 30px;
    outline: none;
    background-color: #fff;
    border: 2px solid cyan;
    font-size: 14px;
    font-family: "Open Sans", sans-serif;
}

input:last-child {
    margin-bottom: 0;
}

.btn {
    border-radius: 5px;
    text-transform: uppercase;
    height: 66px;
    width: 240px;
    margin: 30px;
    background-color: transparent;
    font-family: "Montserrat", sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #000;
    border: 2px solid #000;
    transition: background-color 0.2s linear;
    outline: none;
}

.btn:hover {
    background-color: cyan;
    color: #000;
    cursor: pointer;
    border: 2px solid cyan;
}

textarea {
    display: block;
    height: 210px;
    line-height: 50px;
    outline: none;
    resize: none;
    overflow: auto;
    font-size: 14px;
    font-family: "Open Sans", sans-serif;
    line-height: 14px;
    padding: 18px 20px;
    text-indent: 0px;
}

/* textarea:focus {
    line-height: 14px;
    padding: 18px 20px;
    text-indent: 0px;
} */

.form input[required]:valid,
.form textarea[required]:valid {
    border: 2px solid #baec03;
    background-color: #fff;
}

.form input[required]:invalid,
.form textarea[required]:invalid {
    border: 2px solid #ec0303;
    background-color: #fff;
}

.footer {
    /* position: -webkit-sticky;
    position: sticky; */
    position: relative;
    clear: both;
    /* bottom: 0; */
    padding-top: 15px;
    border-top: 10px solid cyan;
    background-color: #000;
    box-shadow: 0px 0px 15px rgba(50, 50, 50, 1);
    height: 163px;
    /* z-index: -1; */
    /* margin-top: -163px; */
}

.content {
    display: flex;
    justify-content: center;
    width: 1200px;
    margin: 0 auto;
}

.footer-text {
    text-align: center;
    flex-grow: 1;
    font-family: "Montserrat", sans-serif;
    font-size: 18px;
    font-weight: 400;
    text-decoration: none;
    color: #a4a4a4;
    margin: 15px auto 15px auto;
}

/*BUTTON SCROLL*/

#button {
    display: inline-block;
    background-color: cyan;
    width: 64px;
    height: 64px;
    text-align: center;
    border-radius: 50%;
    position: fixed;
    bottom: 10vh;
    right: 5vw;
    transition: background-color 0.3s, opacity 0.5s, visibility 0.5s;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}
#button::after {
    content: "\005E";
    font-family: FontAwesome;
    font-weight: normal;
    font-style: normal;
    font-size: 4em;
    line-height: 80px;
    color: #fff;
}
#button:hover {
    cursor: pointer;
    background-color: cyan;
}
#button:active {
    background-color: cyan;
}
#button.show {
    border: 2px solid rgba(0, 0, 0, 0.05);
    opacity: 1;
    visibility: visible;
}

/* HUMBUEGER */

.menuTrigger {
    display: inline-block;
    width: 50px;
    height: 32px;
    position: relative;
    cursor: pointer;
    vertical-align: middle;
}

.mainLine {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 6px;
    margin-top: -3px;
    background: rgba(255, 255, 255, 0.8);
    transition: all linear 0.3s;
}

.mainLine:after,
.mainLine:before {
    content: "";
    position: absolute;
    left: 0;
    display: block;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.8);
    transform: rotate(0);
    transition: all linear 0.3s;
}

.mainLine:before {
    top: -13px;
}
.mainLine:after {
    top: 13px;
}

#hamburger:hover .mainLine:before {
    top: -16px;
}
#hamburger:hover .mainLine:after {
    top: 16px;
}

#hamburger.menuToggle .mainLine {
    background: transparent;
    transition: all 0.3s linear;
}
#hamburger.menuToggle .mainLine:before {
    visibility: visible;
    top: 0 !important;
    transform: rotate(45deg);
    background: rgba(255, 255, 255, 1);
}
#hamburger.menuToggle .mainLine:after {
    visibility: visible;
    top: 0 !important;
    transform: rotate(-45deg);
    background: rgba(255, 255, 255, 1);
}

@media screen and (max-width: 1764px) {
    h3 {
        font-size: 16px;
        margin: auto auto auto 10px;
    }
    .icon {
        height: 25px;
        width: 25px;
    }
}

@media screen and (max-width: 1575px) {
    h3 {
        font-size: 14px;
        margin: auto auto auto 8px;
    }
    .icon {
        height: 22px;
        width: 22px;
    }
}

@media screen and (max-width: 1440px) {
    .container-child:nth-child(2) {
        display: none;
    }
}

@media screen and (max-width: 1399px) {
    h3 {
        font-size: 12px;
        margin: auto auto auto 6px;
    }
    .icon {
        height: 20px;
        width: 20px;
    }
}

@media screen and (max-width: 1300px) {
    .logo-text {
        font-size: 24px;
    }
    .menu li a {
        font-size: 14px;
    }
    .navigation {
        width: 1000px;
    }
    .wrapper {
        width: 1000px;
    }
    .content {
        width: 1000px;
    }
}

@media screen and (max-width: 1231px) {
    .container-child:nth-child(2) {
        display: none;
    }
}

@media screen and (max-width: 1100px) {
    .wrapper {
        width: 900px;
    }
    .content {
        width: 900px;
    }
    .navigation {
        width: 900px;
    }
    .logo-text {
        font-size: 20px;
    }
    .h2 {
        font-size: 20px;
    }
    .menu li a {
        font-size: 12px;
    }
    .title-text {
        font-size: 16px;
    }
    .container-child:nth-child(6) {
        display: none;
    }
}

@media screen and (max-width: 1024px) {
    #button {
        right: 5%;
    }
    .wrapper {
        width: 90%;
    }
    .content {
        width: 90%;
    }
    .navigation {
        width: 90%;
        justify-content: center;
    }
    .logo-text {
        font-size: 24px;
    }
    .h2 {
        font-size: 22px;
    }
    .footer-text {
        font-size: 16px;
    }
    .title-text,
    .documents-text {
        font-size: 16px;
    }

    .menuTrigger {
        position: absolute;
        right: 0;
        margin: 0 5%;
    }
    .menu {
        display: none;
        position: fixed;
        top: 120px;
    }
    .menu li {
        margin: 0;
    }
    .headToggle {
        padding: 20px 0 354px 0;
    }
    .menu li a {
        margin: 20px auto;
        text-align: center;
        font-size: 20px;
    }
    input {
        margin-right: 0px;
        width: 70vw;
    }
    textarea {
        width: 70vw;
    }
    input:last-child {
        margin-bottom: 30px;
    }
    .btn {
        width: 30vw;
    }
    #hamburger:hover .mainLine:before {
        top: -13px;
    }
    #hamburger:hover .mainLine:after {
        top: 13px;
    }
    .title {
        margin: 30px 0;
    }
    .wrapper {
        padding-top: 20px;
    }
}

@media screen and (max-width: 768px) {
    .headToggle {
        padding: 20px 0 294px 0;
    }
    .top-container {
        display: none;
    }
    .logo-text {
        font-size: 20px;
    }
    .h2 {
        font-size: 20px;
    }
    .title-text,
    .documents-text {
        font-size: 14px;
    }
    .menu {
        display: none;
        position: fixed;
        top: 62px;
    }
    .menu li a {
        font-size: 16px;
    }
    .menu li a:after {
        margin-top: 5px;
    }
    .footer-text {
        font-size: 14px;
    }
    .title {
        margin: 20px 0;
    }
    .wrapper {
        padding-top: 20px;
    }
    input {
        margin-bottom: 20px;
    }
    input:last-child {
        margin-bottom: 20px;
    }
    .btn {
        margin-top: 20px;
    }
}

@media screen and (max-width: 525px) {
    #button {
        width: 50px;
        height: 50px;
    }
    #button::after {
        font-size: 2em;
        line-height: 55px;
    }
    .headToggle {
        padding: 20px 0 267px 0;
    }
    .mainLine {
        height: 5px;
    }
    .mainLine:after,
    .mainLine:before {
        height: 5px;
    }
    .mainLine:before {
        top: -12px;
    }
    .mainLine:after {
        top: 12px;
    }
    #hamburger:hover .mainLine:before {
        top: -12px;
    }
    #hamburger:hover .mainLine:after {
        top: 12px;
    }
    .menuTrigger {
        width: 42px;
    }
    .menu {
        display: none;
        position: fixed;
        top: 62px;
    }
    .line::before {
        left: -8px;
    }
    .logo-text {
        font-size: 18px;
    }
    .menu li a {
        font-size: 14px;
        margin: 17px auto;
    }
    .h2 {
        font-size: 18px;
    }
    .title-text,
    .documents-text {
        font-size: 12px;
    }
    .menu li a:after {
        margin-top: 2px;
    }
    .btn {
        padding: 15px;
        width: 200px;
    }
    .footer-text {
        font-size: 12px;
    }
    .title {
        margin: 15px 0;
    }
    input:first-child {
        margin-top: 10px;
    }
    input {
        margin-bottom: 15px;
    }
    input:last-child {
        margin-bottom: 15px;
    }
    .btn {
        margin-top: 15px;
    }
}

@media screen and (max-width: 425px) {
    /* .navigation {
        justify-content: left;
    } */
    .mainLine:after,
    .mainLine:before {
        height: 4px;
    }
    .mainLine {
        height: 4px;
    }
    .mainLine:before {
        top: -11px;
    }
    .mainLine:after {
        top: 11px;
    }
    .menuTrigger {
        width: 38px;
    }
    .footer-text {
        font-size: 14px;
    }
    .title {
        margin: 15px 0;
    }
}

@media screen and (max-width: 375px) {
    .headToggle {
        padding: 20px 0 297px 0;
    }
    .logo {
        position: absolute;
        left: 0;
        margin-left: 5%;
        padding-top: -20px;
    }
    .header {
        height: 70px;
    }
    .footer-text {
        font-size: 12px;
    }
}

/* Main section new  */

.main-background {
    background-image: linear-gradient(
            rgba(46, 47, 66, 0.7),
            rgba(46, 47, 66, 0.7)
        ),
        url(../img/main-background.jpg);
    background-size: cover;

    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;

    padding-top: 100px;
    padding-bottom: 200px;
}

.about-main-header {
    font-family: "Montserrat", sans-serif;
    font-size: 45px;
    font-weight: 800;
    text-decoration: none;
    color: #fff;
}

.about-main-title {
    font-family: "Montserrat", sans-serif;
    font-size: 24px;
    font-weight: 300;
    text-decoration: none;
    color: #fff;
}

ul {
    list-style: none;
}
a {
    text-decoration: none;
}

.about-company-header {
    font-family: "Montserrat", sans-serif;
    font-size: 30px;
    font-weight: 400;
    text-decoration: none;
    padding-bottom: 30px;
}
.about-company-titles {
    font-family: "Montserrat", sans-serif;
    font-size: 24px;
    font-weight: 300;
    text-decoration: none;
}
.main-navigation-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.main-navigation-botton {
    /* display: block; */
    text-align: center;
    max-width: 250px;
    padding: 20px;
    border-radius: 10px;
    background-color: gray;
}

.main-navigation-botton:hover {
    background-color: lightslategrey;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.5);
}

.main-navigation-botton:focus {
    background-color: lightslategrey;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.5);
}

.main-navigation-link {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    font-weight: 300;
    text-decoration: none;
    color: #fff;
}

/* .about-company-wrapper {
    display: flex;
} */

@media only screen and (max-width: 768px) {
    .about-company-wrapper {
        display: flex;
        flex-direction: column;
    }
}

@media only screen and (min-width: 769.98px) {
    .about-company-wrapper {
        display: flex;
        flex-direction: row;
    }
}

.sphere-title {
    padding-bottom: 40px;
    font-family: "Montserrat", sans-serif;
    font-size: 30px;
    font-weight: 400;
    text-decoration: none;
    padding-bottom: 30px;
}

.sphere-list {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    font-weight: 300;
    text-decoration: none;
}

.sphere-background {
    background-color: rgba(0, 255, 255, 0.1);
    padding-bottom: 20px;
    border-radius: 10px;
}

.titles-underline-light {
    text-decoration: underline 2px solid cyan;
}
.titles-underline-dark {
    text-decoration: underline 2px solid black;
}

.features-title {
    font-family: "Montserrat", sans-serif;
    font-size: 30px;
    font-weight: 400;

    padding-bottom: 30px;
}

@media only screen and (min-width: 375px) {
    .features-list {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
}

@media only screen and (min-width: 768px) {
    .features-list {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

/* .features-list {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
} */
.features-list-item {
    padding: 15px;
    max-width: 250px;
    border-radius: 10px;
    background-color: #a4a4a4;
    text-align: center;
}

.features-list-item:hover {
    background-color: lightslategrey;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.5);
}
.features-list-item:focus {
    background-color: lightslategrey;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.5);
}

.features-major-text {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    font-weight: 400;
    color: #fff;
    text-decoration: none;
}

.features-minor-title {
    font-family: "Montserrat", sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: #fff;
    text-decoration: none;
}

.price-title {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 10px;
    text-decoration: none;
}

/* Gas style  */

/* .main-gas-section {
} */

.list-btn {
    font-family: inherit;
    font-weight: 500;
    font-size: 14px;
    padding: 10px;

    background-color: rgba(0, 255, 255, 0.1);
    border-radius: 5px;
    border: 0.5px solid black;
    cursor: pointer;
}

.list-btn:hover {
    background-color: aliceblue;
}
/* .list-btn:focus {
    background-color: aliceblue;
} */

/* .list-text-major {
    text-decoration: underline solid 2px cyan;
} */
.list-text-minor {
    padding: 30px;
    border-radius: 5px;
    background-color: aliceblue;
}

.gas-list-item {
    list-style: circle;
}

.gas-list-item li {
    margin-bottom: 10px;
}

.gas-titile {
    font-weight: 800;
    font-size: 18px;
}

.gas-title-italic {
    font-style: italic;
}

.gas-list-item-seconary li {
    margin-bottom: 10px;
}

.gas-last-title {
    padding-bottom: 10px;
}

.list-text-minor p {
    padding-bottom: 10px;
}

@media only screen and (min-width: 1200px) {
    .main-logo-img {
        width: 165px;
        height: 150px;
    }
}

/* User account  */

@media only screen and (max-width: 1024px) {
    .user-wrapper {
        display: inline-flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: center;
        position: absolute;
        top: 20px;
        left: 10px;
        padding: 0;
        opacity: 0.6;
    }
}

@media only screen and (min-width: 1025px) {
    .user-wrapper {
        display: inline-flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: center;
        position: absolute;
        top: 10px;

        right: 10px;
        padding: 0;
        opacity: 0.6;
    }
}

/* @media only screen and (min-width: 1024px) {
    .user-wrapper {
        top: 20px;
        right: 20px;
        align-items: flex-end;
    }
} */

.user-btn {
    background-color: transparent;
    cursor: pointer;
    border: none;
}

.user-btn-title-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* modal window  */

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 300px;
    border-radius: 5px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

.form-group {
    margin-bottom: 15px;
}

input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.submit-btn {
    background-color: #4caf50;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}

.submit-btn:hover {
    background-color: #45a049;
}

.error-message {
    color: red;
    margin-top: 10px;
    text-align: center;
}

.user-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.diagram-img {
    padding-top: 20px;
    margin: 0 auto;
    width: auto;
}