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

.button {
  
  display: inline-block;
  // padding: 10px 18px;
  margin: 0 10px 10px 0;
  width: 50px;
  height: 50px;
  background: $color3;
  border: none;
  border-radius: 300px;

  font-size: .65em;
  text-shadow: 0 1px white;
  transition: all .2s ease;
}

.button:hover {

  text-shadow: 0 1px $color4;
  color: $color4;
}

.button:active,
.button.is-checked {
  background: linear-gradient(230deg, $color5, $color3);
  background-size: 1000% 1000%;
  
  -webkit-animation: AnimationName 30s ease infinite;
  -moz-animation: AnimationName 30s ease infinite;
  animation: AnimationName 30s ease infinite;
}

.button.is-checked {
  color: $color1;
  text-shadow: $color4;
}

.button:active {
  box-shadow: inset 0 1px 10px $color4;
}

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

.button-group{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}


// .button-group .button:first-child {
//   border-radius: 0.5em 0 0 0.5em;
// }

// .button-group .button:last-child {
//   border-radius: 0 0.5em 0.5em 0;
// }