html, body {
  padding: 0;
  height: 100%;
}

body {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto;
  color: #37474f;
  line-height: 1.5;
  font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

h1, h2, h3, h4, h5, h6 {
  color: #263238;
}

a {
  color: inherit;
  text-decoration-color: grey;
}

.text-center {
  text-align: center;
}

.error {
  color: red;
}

.container {
  min-height: 100%;
  position: relative;
}

header h2 {
  margin: 15px 0;
}

header a, footer a {
  text-decoration: none;
}

header a:hover, footer a:hover {
  text-decoration: overline;
  text-decoration-color: grey;
}

main {
  padding-bottom: 70px;   /* Height of the footer element + 10px padding */
}

footer {
  left: 0;
  bottom: 0;
  width: 100%;
  height: 60px;
  position: absolute;
  text-align: center;
  border-top: 1px solid black;
}

/* flexbox grid for vertical alignment */
.grid {
  display: flex;
}

.grid-cell {
  flex: 1;
}

/* Alignment per row */
.grid--top {
  align-items: flex-start;
}
.grid--center {
  align-items: center;
}
.grid--bottom {
  align-items: flex-end;
}

/* Alignment per cell */
.grid-cell--top {
  align-self: flex-start;
}
.grid-cell--center {
  align-self: center;
}
.grid-cell--bottom {
  align-self: flex-end;
}

.u-1of4 {
  width: 25%!important;
  -webkit-box-flex: 0!important;
  -webkit-flex: none!important;
  -ms-flex: none!important;
  flex: none!important;
}

.screens {
  max-width: 800px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-content: stretch;
  padding: 0;
}

.screens a {
  display: block;
  float: left;
  flex: 0 0 auto;
  margin-bottom: 15px;
}

.screens img {
  max-width: 98%;
  height: auto;
  width: auto;
}

@media screen and (min-width: 800px) {
  .screens a {
    width: calc(100%/3);
    height: calc(100%/3);
  }
}

@media screen and (max-width: 800px) {
  .screens a {
    width: 100%;
    height: 100%;
  }
}

.menu {
  width: 100%;
}

.right {
  float: right;
}

.menu ul {
  margin: 0;
  padding: 0;
}

.menu ul li {
  display: inline-block;
}

.menu ul li a {
  padding: 2px 10px;
}

.btn {
  border: none;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
  padding: 8px 20px 10px 20px;
  background: #00ffff;
}

.btn-dashboard {
  text-decoration: none;
  display: inline-block;
}

.btn-warn {
  background: #ff8300;
}

.btn-danger {
  background: #ff593d;
}

.btn:disabled {
  background: #ddd;
  cursor: default;
}

#extension-list {
  list-style: none;
  padding: 0;
}

#key {
  padding: 15px 0;
  font-size: large;
  background: #e3e3e3;
}

#show-key {
  width: 100%;
  outline: none;
  padding: 15px 0; /* #key padding */
  margin: -15px 0; /* #key padding */
  background: transparent;
}

#usage {
  height: 41.6px;
  line-height: 41.6px;
}

/* To auto grow code editor */
.CodeMirror {
  height: auto;
  font-size: 14px;
  text-align: initial;
}

#language {
  display: none;
  font-size: inherit;
  font-family: inherit;
  padding: 3.6px 3px 3.6px 10px;
}

#popup-runner {
  display: none;
  padding: 7px 14px;
}

.hide, .hide-if-no-user {
  display: none !important;
}