/* button
------------------------- */

.button {
  display: inline-block;
  padding: 5px 15px;
  margin-bottom: 10px;
  background-color: #F8F8F8;
  background-image: linear-gradient( hsla(0, 0%, 0%, 0), hsla(0, 0%, 0%, 0.1) );
  border: 1px solid #CCC;
  border-radius: 5px;
}

.button:enabled {
  cursor: pointer;
}

.button:enabled:hover {
  background-color: #8CF;
}

.button.is-checked,
.button.is-selected {
  background-color: #19F;
  color: white;
}

.button:active {
  color: white;
  background-color: #59F;
  box-shadow: inset 0 1px 10px hsla(0, 0%, 0%, 0.8);
}

/* ---- button-group ---- */

.button-group:after {
  content: '';
  display: block;
  clear: both;
}

.button-group .button {
  float: left;
  border-radius: 0;
  margin-left: -1px;
}

/* ui-group
------------------------- */

.ui-group {
  display: inline-block;
}

.ui-group__title {
  display: inline-block;
  vertical-align: top;
  font-size: 1.2rem;
  line-height: 40px;
  margin: 0 10px 0 0;
  font-weight: bold;
}

.ui-group .button-group {
  display: inline-block;
  margin-right: 20px;
}