ui.css

@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  src: local('Material Icons'), local('MaterialIcons-Regular'), url(MaterialIcons-Regular.woff) format('woff');
}

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}
i.material-icons {
  font-family: 'Material Icons';
  font-size: 1em;
  direction: ltr;
  display: inline-block;
  padding-top: .25rem;
  vertical-align: top;
  /* Support for all WebKit browsers. */
  -webkit-font-smoothing: antialiased;
  /* Support for Safari and Chrome. */
  text-rendering: optimizeLegibility;
  /* Support for Firefox. */
  -moz-osx-font-smoothing: grayscale;
  /* Support for IE. */
  font-feature-settings: 'liga';
  pointer-events: none;
}
a.link {
  text-decoration: underline;
}
a.btn {
  display: block;
  padding: 0.3rem 0.6rem 0.4rem;
  margin: 1em auto;
  width: 70%;
  height: 1.4rem;
  border: .125rem solid #ccc;
  border-radius: .3rem;
  font-size: 1rem;
  font-family: 'Trebuchet MS', 'Hiragino Sans GB', 'Microsoft Yahei', sans-serif;
  font-weight: bold;
  line-height: 1.6rem;
  color: #FFF;
  background-color: #000;
  cursor: pointer;
  transition: background-color .5s ease;
}
a.btn:hover {
  background-color: #222;
  transition: background-color .1s ease;
}
a.btn.highlight {
	box-shadow: 0 0 .5rem #fff;
}
a.btn.btn-inline {
  display: inline-block;
  margin: 0 0.5rem;
}
div.btn-container {
  margin: 1rem auto;
}
div.btn-container.btn-container-bottom {
  position: absolute;
  width: 100%;
  bottom: 0;
}
div.btn-container.btn-container-bottom > a.btn:not(.btn-inline) {
  margin: .7em auto;
}
#msg {
  text-shadow: #000 0 0 10px;
}
textarea {
  resize: none;
}
textarea:focus {
  outline-color: #BFB;
}
#settings > div {
  margin: 0.3em 0;
}