main.css

html, body {
  height: 100%;
}

.fill {
  min-height: 100%;
  height: 100%;
}

.noselect {
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none;   /* Chrome/Safari/Opera */
  -khtml-user-select: none;    /* Konqueror */
  -moz-user-select: none;      /* Firefox */
  -ms-user-select: none;       /* Internet Explorer/Edge */
  user-select: none;           /* Non-prefixed version, currently
                                  not supported by any browser */
}

.color-block{
  width: 100px;
  height: 100px;
  border-radius: 4px;
  display: inline-block;
}

.color-info{
  display: inline-block;
  vertical-align: top;
}

.alpha-slider{
  position: relative;
  background-image: url('./img/alpha.png');
  background-size: contain;
  background-repeat: no-repeat;
  height: 15px;
  width: 200px;
}

.alpha-slider i{
  position: absolute;
  background: white;
  width: 17px;
  height: 17px;
  top: -1px;
  margin-left: -7px;
  border-radius: 15px;
  border: solid 1px grey;
  cursor: pointer;
}