body {
    font-family: "Source Sans Pro", Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
  }
  
  #timeline {
    display: flex;
    background-color: #ff951c;
  
    &:hover {
      .tl-item {
        width: 23.3333%;
      }
    }
  }
  
  .tl-item {
    transform: translate3d(0, 0, 0);
    position: relative;
    width: 25%;
    height: 35vh;
    min-height: 5px;
    color: #fff;
    overflow: hidden;
    transition: width 0.5s ease;
  
    &:before,
    &:after {
      transform: translate3d(0, 0, 0);
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
    }
  
    &:after {
      background: transparentize(#e0251b, 0.15);
      opacity: 1;
      transition: opacity 0.5s ease;
    }
  
    &:before {
      background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 1) 75%
      );
      z-index: 1;
      opacity: 0;
      transform: translate3d(0, 0, 0) translateY(50%);
      transition: opacity 0.5s ease, transform 0.5s ease;
    }
  
    &:hover {
      width: 30% !important;
  
      &:after {
        opacity: 0;
      }
  
      &:before {
        opacity: 1;
        transform: translate3d(0, 0, 0) translateY(0);
        transition: opacity 1s ease, transform 1s ease 0.25s;
      }
  
      .tl-content {
        opacity: 1;
        transform: translateY(0);
        transition: all 0.75s ease 0.5s;
      }
  
      .tl-bg {
        filter: grayscale(0);
      }
    }
  }
  
  .tl-content {
    transform: translate3d(0, 0, 0) translateY(25px);
    position: relative;
    z-index: 1;
    text-align: center;
    margin: 0 1.618em;
    top: 55%;
    opacity: 0;
  
    h1 {
      font-family: "Pathway Gothic One", Helvetica Neue, Helvetica, Arial,
        sans-serif;
      text-transform: uppercase;
      color: #1779cf;
      font-size: 1.2rem;
      font-weight: normal;
    }
  }
  
  .tl-year {
    position: absolute;
    top: 28%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    z-index: 1;
    /*border-top: 1px solid #fff;*/
    border-bottom: 1px solid #fff;
      
   
    p {
      font-family: "Pathway Gothic One", Helvetica Neue, Helvetica, Arial,
        sans-serif;
      font-size: 1.5rem;
      line-height: 0;
    }
  }
  
  .tl-bg {
    transform: translate3d(0, 0, 0);
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-size: cover;
    background-position: center center;
    transition: filter 0.5s ease;
    filter: grayscale(100%);
  }


  /** (#e0251b, 0.15); 
   #031625;
  **/