.icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  mask-size: contain;
  mask-position: center;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
}

.icon-sun {
  mask-image: url('/icons/sun.svg');
  -webkit-mask-image: url('/icons/sun.svg');
}

.icon-moon {
  mask-image: url('/icons/moon.svg');
  -webkit-mask-image: url('/icons/moon.svg');
}