format.scss

// card
$card-width:            6.35cm;
$card-height:           8.80cm;
$card-scale:            0.95;

// ui
$font-family-default:   "Khula", "Helvetica Neue", Helvetica, Arial, sans-serif;
$font-family-mono:      "Courier New", monospace;
$color-corp:            #0A539D;
$color-runner:          #B93A2F;

@import url("https://fonts.googleapis.com/css?family=Khula");

html,
html * {
//  box-sizing: border-box;
  font-family: $font-family-default;
  font-size: 18px;
  font-weight: 300;
  line-height: 1.5;
  color: #222;
}

body {
  margin: 0;
  background-color: white;
}

textarea {
//  position: fixed;
//  top: 0;
//  left: 0;
  width: 20rem;
//  height: 100vh;
  padding: 1rem 1rem 1rem 1rem;
  border: 0 none;
  box-shadow: inset 0.4rem 0 0 darken($color-runner, 6%);
  background-color: $color-runner;
  color: white;
  font-family: $font-family-mono;
  font-size: 14px;
  outline: none;
  resize: none;
  overflow-y: auto;
}

h1 {
  margin: 3rem 0 1rem 0;
  font-size: 1.75rem;
}

P {
  margin: 1rem 0
}

a {
  color: $color-corp;
  font-weight: 400;
  text-decoration: none;
}

.btn {
  display: inline-block;
  padding: 0.9em 1.2em 0.6em 1.2em;
  border: 0 solid none;
  border-radius: 2px;
  box-shadow: 0 1px 4px rgba(black, 0.2);
  // background: hsl(0, 0%, 92%) linear-gradient(to top, hsl(0, 15%, 90%) 0%, hsl(0, 10%, 96%) 100%);
  background-color: $color-corp;
  color: white;
  line-height: 1;
  text-decoration: none !important;
  cursor: pointer;

  background-position: center;
  transition: background 0.5s;

  &:hover {
    background: $color-runner radial-gradient(circle, transparent 1%, $color-runner 1%) center/15000%;
  }

  &:active {
    background-color: $color-corp;
    background-size: 100%;
    transition: background 0s;
  }
}

img {
  width: $card-width * $card-scale;
  height: $card-height * $card-scale;
  vertical-align: top;
  border: 0.075cm solid black;
  background-color: black;
}

#Cards,
#Cards > * {
  line-height: 0;
}

.text-muted {
  color: hsl(0, 0%, 62%);
}

[data-loading] {
  display: inline-block;
  font-size: 1rem;
  line-height: 1;
  padding: 1em;
}

@media print {

  .print-hide {
    display: none;
  }
}


@media screen {

  body {
    margin: 0 1rem ($card-height / 2) 3rem;
    overflow-y: scroll;
    cursor: default;
  }

  #Cards {
    margin-top: 3rem;

    > * {
      display: inline-block;
      margin: 0;
      vertical-align: top;
      position: relative;
      z-index: 10;
      width: $card-width * $card-scale;
      height: $card-height * $card-scale;
      background: #f6f7f7 linear-gradient(-54deg, rgba(black, 0.06) 50%, rgba(black, 0.02) 50%);
      transform: scale(1);
      // filter: blur(0);
      transition:
        transform 0.125s cubic-bezier(0,1.2,.7,.6),
        filter 0.1s ease-in-out;

      > img {
        border-radius: 0.1cm;
        background-image: none;
      }

      > img:after {
        content: 'card';
        padding: 1.621em 1rem;
        line-height: 1.5;
      }

      > img:after,
      > *:not(img) {

      }
    }

    > p {
      padding: 1.621em 1rem;
      line-height: 1.5;
    }

    > a:hover {
      transform: scale(1.1);
      z-index: 20;
    }


    &:hover > a:not(:hover) img {
      // filter: blur(0.5px) grayscale(0.5);
    }
  }
}