/* Basic page style resets */
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}

body {
  font-family: monospace;
}

header {
  padding: 10px 25px;
  border-bottom: 1px solid #000;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background-color: white;

  > * {
    min-width: 300px;
  }
}

.cards {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.card {
  perspective: 600px;
  width: 300px;
  height: 400px;
  margin: 20px;
  

  .card-innercontainer {
    
    position: relative;
    transform-style: preserve-3d;
/*    transform-origin: center center;*/
    width: 100%;
    height: 100%;    
  }

  .face {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    position: absolute;
    backface-visibility: hidden;
  }

  &:hover {
    .frontface {
      transform: rotateY(-180deg);
    }

    .backface {
      transform: rotateY(0deg);
    }

  }

  .name, .category {
    padding: 15px;
    background-color: white;
  }
  .name {
    border-bottom: 1px solid #004400;
  }

  .category {
    border-top: 1px solid #004400;
  }

  .fontface, .backface {
    transition: transform 1s;
    border: 1px solid #004400;
    border-radius: 5px;

  }

  .backface {
    transform: rotateY(180deg);
  }

  .frontface {
    transition: transform 1s;
    border: 1px solid #004400;

    &#cat1 {
      background-image: url('cat1.jpg');
      background-size: cover;
      background-position: center;
    }

    &#cat2 {
      background-image: url('cat2.png');
      background-size: cover;
      background-position: center;
    }

    &#cat3 {
      background-image: url('cat3.png');
      background-size: cover;
      background-position: center;
    }

  }
}