.prev,
  .next {
    position: fixed;
    top: 50%;
    width: 56px;
    height: 130px;
    margin-top: -75px;
    background: #000000;
    color: #ffffff;
    text-decoration: none;
    display: block;
    text-transform: uppercase;
    font-size: 14px;
    padding-top: 40px;
    text-align: center;
    z-index: 199;
  }
.button {    height: 160px;
    width: 130px;
    border: 2px solid #f6f8f9;
    display: block;
    position: absolute;
    bottom: 0;
    left: 50%;
    margin-left: -70px;
    background-repeat: no-repeat;
    background-position: center center;
    z-index: 3 !important;
    transition: all .5s ease;
}
.button:hover {
    background-color: #f6f8f9;
}


.button:after {
    content: '';
    background-image: url(../assets/images/arrow-bottom.png);
    width: 8px;
    height: 23px;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -4px;
    margin-top: -11.5px;
    transition: all .5s ease;
}
.button:hover:after {
    background-position: center bottom;
}
  .prev:hover .realisation,
  .next:hover .realisation {
    -webkit-transform: rotateY(0);
    transform: rotateY(0);
  }

  .prev.next .realisation,
  .next.next .realisation {
    right: 56px;
    -webkit-transform-origin: 100% 50%;
    transform-origin: 100% 50%;
  }

  .prev.prev .realisation,
  .next.prev .realisation {
    left: 56px;
    -webkit-transform-origin: 0% 50%;
    transform-origin: 0% 50%;
  }

  .prev .realisation,
  .next .realisation {
    position: absolute;
    top: 0;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: rotateY(-90deg);
    transform: rotateY(-90deg);
    -webkit-transition: all .5s;
    transition: all .5s;
    -webkit-transition-delay: .5s;
    transition-delay: .5s;
  }

  .prev:hover,
  .next:hover {
    background: #ffffff;
    color: #000000;
  }

  .prev span,
  .next span {
    display: block;
  }

  .prev {
    left: 0;
  }

  .next {
    right: 0;
  }

  #header {
    background: #000000;
    background-image: url(../assets/realisation/head_img.jpg);
    background-size: cover;
    height: 100vh;
    max-height: 100vh;
    min-height: initial;
    position: relative;
  }

  #header .menu {
    z-index: 111;
  }

  #header .text {
    display: table-cell;
    width: 100%;
    height: 100%;
    vertical-align: middle;
    text-align: center;
  }

  #header .text h1 {
    font-family: 'Lato', sans-serif;
    font-weight: 100;
    font-size: 72px;
    color: #ffffff;
    line-height: 82px;
    margin-bottom: 48px;
  }

  #header .text h2 {
    font-family: 'Lato', sans-serif;
    font-weight: 100;
    font-size: 72px;
    color: #ffffff;
    line-height: 82px;
    margin-bottom: 48px;
  }

  #header .text h3 {
    font-family: "industry", sans-serif;
    font-weight: 900;
    font-size: 72px;
    line-height: 72px;
    color: #ffffff;
  }

  #overview .container:after {
    clear: both;
    display: table;
    float: none;
    content: '';
  }

  #overview .left,
  #overview .right {
    float: left;
  }

  #overview .left {
    width: 46%;
  }

  #overview .left h1 {
    font-family: Lato, sans-serif;
    font-size: 52px;
    color: #000000;
    line-height: 62px;
    font-weight: 100;
    padding-top: 94px;
    margin-bottom: 57px;
  }

  #overview .left h2 {
    font-family: Lato, sans-serif;
    font-size: 52px;
    color: #000000;
    line-height: 62px;
    font-weight: 100;
    padding-top: 94px;
    margin-bottom: 57px;
  }

  #overview .left p {
    font-family: Lato, sans-serif;
    font-size: 21px;
    line-height: 27px;
    color: #000000;
    font-weight: 300;
  }

  #overview .left ul {
    list-style: none;
    margin-top: 64px;
    margin-left: 11px;
  }

  #overview .left ul li {
    display: inline-block;
    margin-right: 55px;
  }

  #overview .left ul li svg {
    width: 36px;
  }

  #overview .left ul li svg path {
    fill: #000;
  }

  #overview .right {
    width: 20%;
    padding-top: 280px;
    margin-left: 161px;
  }

  #overview .right p {
    font-family: industry;
    font-weight: bold;
    color: #bbbbbb;
    font-size: 14px;
    line-height: 22px;
    text-transform: uppercase;
    letter-spacing: 1.3px;
    margin-bottom: 22px;
  }

  #overview .right p strong {
    font-weight: bold;
    color: #000000;
    display: block;
    margin-bottom: 10px;
  }

  #overview .right a {
    font-size: 14px;
    color: #bbbbbb;
    text-decoration: none;
    display: inline-block;
    margin-top: 26px;
    letter-spacing: 1.5px;
  }

  #macs {
    height: 1000px;
    position: relative;
  }

  #macs .mac_1 {
    left: 0;
    top: 16.6%;
    max-width: 76%;
    z-index: 2;
  }

  #macs .mac_2 {
    right: 0;
    top: 6%;
    max-width: 63%;
    width: 100%;
    z-index: 1;
  }

  #macs img {
    position: absolute;
  }

  #slides {
    position: relative;
  }

  #slides .container {
    position: relative;
  }

  #slides>* {
    z-index: 20;
  }

  #slides h2 {
    text-align: center;
    font-family: Lato, sans-serif;
    font-weight: 100;
    color: #000000;
    font-size: 72px;
    line-height: 82px;
    margin-bottom: 183px;
  }

  #slides .owl-item {
    opacity: .3;
    -webkit-transition: all .3;
    transition: all .3;
  }

  #slides .owl-item.active.center {
    opacity: 1;
  }

  #slides .owl-item:hover {
    opacity: .6;
  }

  #slides img {
    max-width: 100%;
    display: block;
  }

  #slides .owl-controls {
    text-align: center;
  }

  #slides .owl-dots {
    text-align: center;
    border-radius: 20px;
    background: #ffffff;
    -webkit-box-shadow: 0px 3px 8px 0px rgba(0, 0, 0, 0.14);
    box-shadow: 0px 3px 8px 0px rgba(0, 0, 0, 0.14);
    display: inline-block;
    padding: 6px 16px;
  }

  #slides .owl-dots .owl-dot {
    display: inline-block;
  }

  #slides .owl-dots .owl-dot.active span,
  #slides .owl-dots .owl-dot:hover span {
    opacity: 1;
  }

  #slides .owl-dots .owl-dot span {
    display: block;
    height: 10px;
    width: 10px;
    opacity: .3;
    margin: 0 4px;
    border: 2px solid #000000;
    border-radius: 50%;
  }

  .browser-window {
    width: 100%;
    overflow: hidden;
    border-radius: 20px;
    -webkit-box-shadow: 0px 10px 35px 0px rgba(0, 0, 0, 0.25);
    box-shadow: 0px 10px 35px 0px rgba(0, 0, 0, 0.25);
    margin-bottom: 50px;
  }

  .browser-window .browser-header {
    height: 61px;
    background: #f7f7f7;
    padding: 24px 18px;
  }

  .browser-window .browser-header span.button {
    cursor: pointer;
    display: inline-block;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #c6c6c6;
    margin: 0 3px;
  }

  .browser-window .browser-header span.button:hover {
    background: #ff6e67;
    -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 0 1px rgba(0, 0, 0, 0.3) inset, 0 -2px 5px rgba(0, 0, 0, 0.15) inset;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 0 1px rgba(0, 0, 0, 0.3) inset, 0 -2px 5px rgba(0, 0, 0, 0.15) inset;
  }

  .browser-window .browser-header span.button+.button:hover {
    background: #fbc054;
  }

  .browser-window .browser-header span.button+.button+.button:hover {
    background: #9fd471;
  }

  .ip-ipad {
    margin: 0 auto;
    margin-top: 102px;
    display: block;
    z-index: 19;
    position: relative;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  section#references {
    margin-top: -127px;
    background: transparent;
  }

  .mac-3 {
    position: relative;
    z-index: 111;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    margin-top: 120px;
    max-width: 90%;
  }

  section#design {
    position: relative;
    padding-bottom: 222px;
  }

  section#design .floating {
    z-index: -9;
    position: absolute;
    left: -19px;
    max-width: 72%;
    bottom: 0;
  }

  section#design h2 {
    font-family: "industry", sans-serif;
    font-weight: 900;
    font-size: 72px;
    color: #000000;
    line-height: 72px;
    text-align: right;
    padding-top: 214px;
  }

  footer.black {
    background: #000000;
  }

  footer.black p {
    color: #ffffff;
    opacity: 1;
  }

  footer.black svg polygon,
  footer.black svg path {
    fill: #fff;
  }

  section#header .menu {
    position: fixed;
  }

  .first-screen video {
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
  }

  .first-screen:after {
    content: " ";
    display: block;
    position: absolute;
    height: 100%;
    width: 100%;
    z-index: -99;
    background: rgba(0, 0, 0, 0.58);
    top: 0;
    left: 0;
  }

  #skos2 {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #f6f8f9;
    -webkit-transform: skew(0, -25deG);
    transform: skew(0, -25deG);
    z-index: 5;
    top: 0;
  }

  #skos3 {
    height: 0;
    position: absolute;
    width: 100%;
    background: #f6f8f9;
    -webkit-transform: skew(0, -25deg);
    transform: skew(0, -25deg);
    z-index: 5;
    top: 0;
    -webkit-transform-origin: left;
    transform-origin: left;
  }

  #skos1 {
    z-index: 3;
    position: absolute;
    width: 100%;
    height: 200%;
    background: #fff;
    -webkit-transform: skew(0, -25deg);
    transform: skew(0, -25deg);
  }

  @media (max-width: 768px) {
    body {
      background: inherit;
    }
    .ip-ipad {
      padding: 0 20px;
    }
    #header .text h1 {
      font-size: 49px;
      color: #ffffff;
      line-height: 59px;
      margin-bottom: 21px;
    }
    #header .text h2 {
      font-size: 49px;
      color: #ffffff;
      line-height: 59px;
      margin-bottom: 21px;
    }
    #header .text h3 {
      font-size: 49px;
    }
    #overview .left,
    #overview .right {
      float: none;
      width: 100%;
    }
    #overview .right {
      margin-left: 0;
      padding-top: 50px;
    }
    #macs {
      height: 680px;
    }
    #slides .realisation-slider {
      padding: 0 20px;
    }
    section#design h2 {
      text-align: center;
      font-size: 49px;
      padding-top: 154px;
    }
    section#design .floating {
      max-width: 100%;
      left: 0;
      right: 0;
    }
  }

  @Media (max-width: 380px) {
    #slides h2 {
      font-size: 42px;
      line-height: 56px;
      margin-bottom: 40px;
    }
    #macs {
      height: 410px;
    }
    #header .text h2 {
      padding: 0 50px;
      font-size: 37px;
      line-height: 44px;
    }
    #header .text h3 {
      padding: 0 50px;
      font-size: 37px;
      line-height: 44px;
      display: none;
    }
    #overview .left h2 {
      padding-top: 0;
    }
    #overview .left ul li {
      margin-right: 30px;
    }
    section#design h2 {
      font-size: 44px;
      padding-top: 103px;
    }
  }

  @media (max-width: 500px) {
    .prev,
    .next {
      display: none;
    }
  }


  @media(max-width: 800px) and (min-width: 767px) {
      #overview .left{
          text-align: center;
      }

      #overview .left, #overview .right {
          padding: 0 80px;
      }

      .mac-3 {
          max-width: 70%;
      }
      section#references h3{
          font-size: 41px;
          line-height: 59px;
          margin-top: 64px;
          padding: 0 50px;
      }
      section#design h2 {
          margin-bottom: 100px;
      }
      section#design h2 {

      }
  }

  .page-speed__title {
    font-size: 16px;
    margin-top: 30px;
    margin-bottom: 30px;
  width: 100%;
  }

  .page-speed {
    display: flex;
    flex-wrap: wrap;
  }

  .page-speed__element {
    width: 30%;
  }

  .page-speed__element__percent {
    font-size: 35px;
  }
  .page-speed__element__name {
    font-weight: 300;
  }
.scroll-section {
  text-align: center;
  z-index: 17;
  position: relative;
  margin-top: 102px;
}
  .scroll__animation {
    position: relative;
    margin: 0 10px;

  }
.scroll__animation__area {

  position: absolute;
  overflow: hidden;
  border-radius: 3px;
}
  .scroll__animation--iphone {
    max-width: 243px;
    margin-right: -180px;
    z-index: 1;
  }

  .scroll__animation--iphone .scroll__animation__area {

    width: 216px;
    height: 387px;
    left: 12px;
    top: 47px;
  }

  .scroll__animation__area img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: all .3s cubic-bezier(0.165, 0.84, 0.44, 1);
  }
  .scroll__animation__screen {
    width: 100%;
  }

  .scroll__animation--macair {
    width: 1460px;
    margin-top: 163px;
    left: -139px;
  }

  .scroll__animation--macair + .scroll__animation--macair {
    position: absolute;
    right: -301px;
    margin: 0;
    left: auto;
    z-index: -1;
    top: -107px;
    filter: blur(8px);
  }

  .scroll__animation--tablet {
    width: 980px;
    margin-left: -80px;
  }
  .scroll__animation--macair .scroll__animation__area {
    width: calc(100% - 380px);
    height: calc(100% - 150px);
    left: 190px;
    top: 50px;
  }

  .scroll__animation--tablet .scroll__animation__area {
    width: 672px;
    height: 506px;
    left: 228px;
    top: 41px;
  }

  .scroll-section {
    display: flex;
    justify-content: center;
    align-items: flex-end;
  }

  .scroll-2 {
    margin-top: 57px;
    text-align: center;
    z-index: -1;
    position: relative;
  }
@media(max-width: 1200px) and (min-width: 768px) {
  .scroll-2 {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
  .scroll-section {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
  .scroll__animation--iphone .scroll__animation__area {

    width: 165px;
    height: 288px;
    left: 11px;
    top: 46px;
  }
  .scroll__animation--tablet .scroll__animation__area{
    width: 515px;
    height: 390px;
    left: 177px;
    top: 31px;
  }
}
  @media(max-width: 767px) {
    .scroll__animation--macair {
      width: calc(100% + 100px);
      left: -50px;
      max-width: unset;
    }
    .scroll__animation--macair + .scroll__animation--macair {
      right: 0;
      left: 50px;
    }
    .scroll__animation--macair .scroll__animation__area {
      width: calc(100% - 120px);
      height: calc(100% - 44px);
      left: 60px;
      top: 15px;
    }
    .scroll__animation--iphone {
      display: none;
    }

    .scroll__animation--tablet {
      margin-left: 30px;
      max-width: unset;
      width: calc(100% + 30px);
      position: relative;
      left: 50px;
      top: -30px;
    }
    .scroll__animation--tablet .scroll__animation__area {
           left: 94px;
           top: 17px;
           width: calc(100% - 127px);
           height: calc(100% - 41px);
         }

    .scroll__animation--iphone .scroll__animation__area {
      left: 8px;
      top: 32px;
      width: calc(100% - 16px);
      height: calc(100% - 66px);
    }
    .scroll__animation--iphone {
      display: block;
      width: calc(100% - 20px);
      max-width: 130px;
    }
  }