.main-bloom{
    display: flex;
    flex-flow: row wrap;
    width: 100%;
    justify-content: center;
  }
  .column-bloom{
    flex-basis: 1 10px;
    width: 260px;
    margin: 5px;
    padding: 0;
  }
  figure {
      position: relative; 
    overflow: hidden;
    margin: 0;
    height: 100%;
    width: 100%;
    filter: grayscale(.8);
  }
  figure::before {
      position: absolute;
      top: 50%;
      left: 50%;
      z-index: 2;
      display: block;
      content: '';
      width: 0;
      height: 0;
      background: rgba(0,0,0,.2);
      border-radius: 100%;
      transform: translate(-50%, -50%);
      opacity: 0;
  }
  figure:hover{
    animation: bloom ease-in-out .75s forwards;
  }
  figure:hover::before {
      animation: circle .75s;
  }
  @keyframes bloom {
      0% {
          filter: grayscale(.8);
      }
      40% {
          filter: grayscale(.5);
      }
      100% {
          filter: grayscale(0);
      }
  }
  @keyframes circle {
      0% {
          opacity: .5;
      background: rgba(213,156,34,.2);
      
      }
      40% {
          opacity: 1;
      background: rgba(213,34,160,.2);
      }
      100% {
          width: 200%;
          height: 200%;
          opacity: 0;
      }
  }
  
  /* General style */
  header{
    width: 100%;
    display: block;
    background: #FFF;
    height: 40px;
    margin-bottom: 4%;
    color: #ccc;
    font-family: sans-serif;
    font-weight: bold;
    box-shadow: 0px 2px 0px 0px rgba(125,121,125,0.3);
    overflow: hidden;
  }
  header h1, header a{
    display: inline-block;
    font-size: .8rem;
    margin: auto 10px;
    line-height: 40px;
  
  }
  header h1{
      text-transform: uppercase;
      letter-spacing: 1px;
  }
  header a{
    text-decoration: none;
    background-color: #eee;
    color: #999;
    padding: 0 20px;
    transition: all ease-in-out .3s;
  }
  header a:hover{
    background-color: #93dfec;
    color: #eee;
    margin-left: -3px;
  }