CSS - ERROR 404 page

by katalin_2003

HTML

<link rel="stylesheet" href="http://fonts.googleapis.com/css?family=Lato:300,900">



<body class="page-404">

  <div class="container">

    <div class="message animated bounceIn">

      <div class="display-table">

        <div class="display-table-cell">

          <svg class="icon icon-left icon-x">
            <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-x"></use>
          </svg>

        </div>

        <div class="display-table-cell">

          <h1>Oops!</h1>

          <h2>This page doesn't exist</h2>

        </div>

      </div>

    </div>

  </div>

  <svg class="icons" xmlns="http://www.w3.org/2000/svg">
    <symbol viewBox="0 0 512 512" id="icon-x">
      <title>x</title>
      <path d="M438.393 374.595L319.757 255.977l118.62-118.63-63.782-63.74-118.6 118.618-118.62-118.603-63.768 63.73 118.64 118.63L73.62 374.626l63.73 63.768 118.65-118.66 118.65 118.645z" />
    </symbol>
  </svg>

</body>

CSS

html,
body {
  height: 100%;
}

body {
  color: #4c4a50;
  font: 300 1em/1.5em "Lato", sans-serif;
  margin: 0;
  position: relative;
}

h1 {
  font-size: 2em;
  font-weight: 900;
  line-height: 1.1em;
  margin: 0;
}

h2 {
  font-size: 1.5em;
  font-weight: 300;
  line-height: 1.1em;
  margin: 0;
}

svg {
  height: auto;
  max-width: 100%;
}

.container {
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.display-table {
  display: table;
  width: 100%;
}

.display-table-cell {
  display: table-cell;
  vertical-align: middle;
}

.icons {
  display: none;
}

.icon {
  display: inline-block;
  height: 3em;
  width: 3em;
}

.icon-left {
  margin-right: 1em;
}

.icon-right {
  margin-left: 1em;
}

.icon-x {
  background-color: #ca2735;
  border-radius: 50%;
  fill: white;
  padding: 0.5em;
}

.page-404 {
  background: radial-gradient(ellipse farthest-side at right top, #2ca6e0 0%, #1766b3 100%) no-repeat;
}

.message {
  background-color: white;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  padding: 1em 2em;
  text-transform: uppercase;
}

.message h1 {
  font-weight: 900;
}

.message h2 {
  font-weight: 300;
}

.animated {
  -webkit-animation-duration: 1s;
  animation-duration: 1s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}

.bounceIn {
  -webkit-animation-name: bounceIn;
  animation-name: bounceIn;
  -webkit-animation-duration: 0.75s;
  animation-duration: 0.75s;
}

@-webkit-keyframes bounceIn {

  0%,
  20%,
  40%,
  60%,
  80%,
  100% {
    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }

  0% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }

  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }

  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }

  60% {
    opacity: 1;
    transform: scale3d(1.03, 1.03, 1.03);
  }

  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }

  100% {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}

@keyframes bounceIn {

  0%,
  20%,
 ...