shimmer.css

.shimmer {
  text-decoration: none;
    font-family: "Lato";
    font-weight: 300;
    font-size: 1.5em;
    margin: 0 auto;
    display: inline;
    margin-bottom: 0;
  }
  .shimmer {
    text-align: center;
    color: rgba(255,255,255,0.1);
    background: -webkit-gradient(linear, left top, right top, from(rgb(236, 230, 230)), to(rgb(241, 236, 236)), color-stop(0.5, rgb(12, 12, 12)));
    background: -moz-gradient(linear, left top, right bottom, from(rgb(255, 253, 253)), to(rgb(248, 247, 247)), color-stop(0.5, rgb(20, 20, 20)));
    background: gradient(linear, left bottom, right bottom, from(rgb(255, 249, 249)), to(rgb(243, 237, 237)), color-stop(0.5, rgb(0, 0, 0)));
    -webkit-background-size: 125px 100%;
    -moz-background-size: 125px 100%;
    background-size: 6px 100%;
    -webkit-background-clip: text;
    -moz-background-clip: text;
    background-clip: text;
 
    animation-name: shimmer;
    -webkit-animation-duration: 3s;
    -moz-animation-duration: 3s;
    
    animation-duration: 3s;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    background-repeat: no-repeat;
    background-position: 0 0;
    background-color: #222;
  }
  @-moz-keyframes shimmer {
    0% {
      background-position: top left;
    }
    100% {
      background-position: top right;
    }
  }
  @-webkit-keyframes shimmer {
    0% {
      background-position: top left;
    }
    100% {
      background-position: top right;
    }
  }
  @-o-keyframes shimmer {
    0% {
      background-position: top left;
    }
    100% {
      background-position: top right;
    }
  }
  @keyframes shimmer {
    0% {
      background-position: top left;
    }
    100% {
      background-position: top right;
    }
  }
  a.left
{
    position: relative;
}

a.left:before {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: rgb(63, 55, 55);
  visibility: hidden;
  transition: all 0.3s ease-in-out;
}
a.left:hover:before {
    visibility: visible;
    width: 100%;
  }