*, *:before, *:after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
  }
 
  .card-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    float: left;
  }
  
  .card-wrapper {
    min-height: 420px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 7px 20px 0 rgba(0, 0, 0, 0.2);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-flow: column wrap;
    position: relative;
    overflow: hidden;
    z-index: 10;
  }
  

  
  .card-wrapper h3 {
    color: #222;
    text-transform: uppercase;
    margin: 12px 0 7px;
  }
  

  
  /* WAVES ANIMATION */
  
  .card-wrapper .wave {
    width: 1500px;
    height: 1500px;
    position: absolute;
    top: 100%; left: 50%;
    margin-left: calc(1500px / -2);
    background: #05e;
    border-radius: 43%;
    z-index: 11;
    animation: waves 20s infinite linear;
    opacity: 0.75;
  }
  
  .card-wrapper .wave.wave-two {
    animation: waves 30s infinite linear;
    background: #67c5f8;
  }
  
  .card-wrapper .wave.wave-three {
    animation: waves 40s infinite linear;
    background: rgb(51, 81, 248);
  }
  
  @keyframes waves {
    from { transform: rotate(360deg); }
  }
  
  
  
  /* -- THIS IS FOR BRANDING PURPOSE ONLY -- */
  /* ------- YOU MAY DELETE THIS CODE ------ */
  
  .card-wrapper {
    margin-top: -50px;
  }
  
  #otbd-branding {
    width: 100%;
    height: 60px;
    line-height: 60px;
    position: fixed;
    bottom: 0; left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
    z-index: 999;
  }
  
  #otbd-branding a {
    display: inline-block;
    height: 40px;
    margin-left: 20px;
    transition: all 0.2s ease;
  }
  
  #otbd-branding a:first-child {
    margin-left: 0;
  }
  
  #otbd-branding a img {
    width: 100%;
    max-width: 160px;
    height: auto;
  }
  
  #otbd-branding a:hover {
    margin-top: -7px;
  }