:root {
  --border-color: black;
  --window-color: white;
  --background-move-on-cursor: false;
  --background-color: white;
  --background-cursor-width: 400;
  --background-cursor-height: 200;
  --background-show-if-wider-than: 500;
  --background-speed: 0.001;
  --energy-decay: 0.3;
}
html {
  font-size: 14px;
}
@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  width: 100%;
  margin: 0 auto;
  background-color: var(--background-color);
}
#header_main {
  position: relative;
  width: 100%;
  margin: 0 auto;
}
#header_main canvas, #overlay {
  width: 100%;
  margin: 0 auto;
  position: absolute;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 46rem;
}

.pricing-header {
  max-width: 700px;
}

.card-deck .card {
  min-width: 220px;
}

.border-top { border-top: 1px solid #e5e5e5; }
.border-bottom { border-bottom: 1px solid #e5e5e5; }

.box-shadow { box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05); }

.arxiv_button {
  position: relative;
  display: inline-block;
  width: 78px;
  height: 28px;
  background-image: linear-gradient(180deg, #fafbfc, #eff3f6 90%);
  color: #24292e;
  border: 1px solid rgba(27,31,35,.2);
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  padding-right: 0px;
  padding-top: 2.5px;
  font-size: 12px;
  font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;
  font-weight: 600;
}
.arxiv_button:before {
  content: "";
  vertical-align:middle;
  display: inline-block;
  width: 24px;
  height: 24px;
  border: none;
  margin-left: -16px;
  margin-right: 0px;
  margin-top: -2px;
  background: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" class="ionicon s-ion-icon" viewBox="0 0 512 512"><path d="M428 224H288a48 48 0 01-48-48V36a4 4 0 00-4-4h-92a64 64 0 00-64 64v320a64 64 0 0064 64h224a64 64 0 0064-64V228a4 4 0 00-4-4z"></path><path d="M419.22 188.59L275.41 44.78a2 2 0 00-3.41 1.41V176a16 16 0 0016 16h129.81a2 2 0 001.41-3.41z"></path></svg>') right center no-repeat;
  background-size: 18px 16px;
}
.arxiv_button:hover {
    background-color:#e6ebf1;
    background-position:-0.5em;
    border-color: #9fa4a9;
    border-color:rgba(27,31,35,.35);
    background-image:linear-gradient(180deg, #f0f3f6, #e6ebf1 90%)
}

#header_window {
  width: 80%;
  min-width: 320px;
  margin: 0 auto;
  text-align: center;
}
.faded {
  margin: 0 auto;
  background: var(--window-color);
  box-shadow: 0 0 5px 5px var(--window-color);
  font-family: cursive;
  font-family: "Gill Sans", sans-serif;
  display: inline-block
}
.padded {
    width: 100%;
    max-width: 800px;
    text-align: left;
}
.title {
   font-size: 32px;
   box-shadow: 0 0 5px 5px var(--window-color);
   font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,
                sans-serif,Apple Color Emoji,Segoe UI Emoji;
}
canvas {
  background-color: var(--background-color);
  width: 0px; /* will be changed on init */
  overflow: hidden;
}

a {
  color: #337ab7;
  font-weight: 600;
}
a:hover {
  color: #0056b3;
}
.nav-link {
  color: #337ab7;
  padding: 0.5rem 1rem;
  font-weight: normal;
}
.nav-link:hover {
  color: #337ab7;
}