.course-cards-wrapper {
  @include outer-container;
  ul li {
    @include media($medium-screen) {
      // @include span-columns(4);
      // @include omega(3n);
      width: 33%;
      float: left;
      margin-bottom: 1em;
      
    }
  }
}



.course-cards {
  margin: auto;
  width: 100%;
  z-index: 999;

  .card {
    position: relative;
    cursor: pointer;
    margin-bottom: 1em;
    float: left;
    background-color: red;
    background-size: 100%;
    text-align: center;    
    color: white;
    padding: 1em;
    min-height: 20em;



    &.active {
      position: relative;
      .card-bottom h3 {
        color: white;
      }
      .pointer {
        position: absolute;
        bottom: 0;
        left: 48%;
        width: 0;
        height: 0;
        border-left: 15px solid transparent;
        border-right: 15px solid transparent;
        border-bottom: 15px solid white;
      }
    }
  }

  li:last-child .card {
    // display: none;
    // position: relative;
    background-color: green;
  }

  .card-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: transparentize(black, 0.8);
    @include transition (all 0.2s ease-in-out);

    &:hover {
      background-color: transparentize(black, 0.9);
    }
    h3 {
      padding: 2em 0 1.5em 0;
    }
  }
}

.system {
  display: block;

  li:last-child .card {
    display: block;
    @include media(460px) {
      background-size: 100%;
    }
  }

  @include media($large-screen) {
    display: none;
  }

  ul, ul li, ul li a {
    width: 100%;
    background-size: 100%;  
    display: block;
  }
  ul li {
    @extend .card;
    display: block;
  }
}