format.css

@import url("https://fonts.googleapis.com/css?family=Khula");
html,
html * {
  font-family: "Khula", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 18px;
  font-weight: 300;
  line-height: 1.5;
  color: #222;
}

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

textarea {
  width: 20rem;
  padding: 1rem 1rem 1rem 1rem;
  border: 0 none;
  box-shadow: inset 0.4rem 0 0 #a13229;
  background-color: #B93A2F;
  color: white;
  font-family: "Courier New", monospace;
  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: #0A539D;
  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(0, 0, 0, 0.2);
  background-color: #0A539D;
  color: white;
  line-height: 1;
  text-decoration: none !important;
  cursor: pointer;
  background-position: center;
  transition: background 0.5s;
}
.btn:hover {
  background: #B93A2F radial-gradient(circle, transparent 1%, #B93A2F 1%) center/15000%;
}
.btn:active {
  background-color: #0A539D;
  background-size: 100%;
  transition: background 0s;
}

img {
  width: 6.0325cm;
  height: 8.36cm;
  vertical-align: top;
  border: 0.075cm solid black;
  background-color: black;
}

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

.text-muted {
  color: #9e9e9e;
}

[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 4.4cm 3rem;
    overflow-y: scroll;
    cursor: default;
  }

  #Cards {
    margin-top: 3rem;
  }
  #Cards > * {
    display: inline-block;
    margin: 0;
    vertical-align: top;
    position: relative;
    z-index: 10;
    width: 6.0325cm;
    height: 8.36cm;
    background: #f6f7f7 linear-gradient(-54deg, rgba(0, 0, 0, 0.06) 50%, rgba(0, 0, 0, 0.02) 50%);
    transform: scale(1);
    transition: transform 0.125s cubic-bezier(0, 1.2, 0.7, 0.6), filter 0.1s ease-in-out;
  }
  #Cards > * > img {
    border-radius: 0.1cm;
    background-image: none;
  }
  #Cards > * > img:after {
    content: "card";
    padding: 1.621em 1rem;
    line-height: 1.5;
  }
  #Cards > p {
    padding: 1.621em 1rem;
    line-height: 1.5;
  }
  #Cards > a:hover {
    transform: scale(1.1);
    z-index: 20;
  }
}