*{
  margin: 0;
  padding: 0;
}
ul,ol {
  list-style: none;
}
#xxx {
  background: white;
  display: block;
  position: fixed;
  top: 0;
  left: 0;
}

body {
  overflow: hidden;
}

.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.actions {
  position: fixed;
  top: 0;
  left: 0;
  padding: 0.8em;
}

.actions svg{
  width: 2em;
  height: 2em;
  transition: all 0.3s;
  margin: 0 10px;
}

.actions svg.active{
  fill: mediumvioletred ;
  transform: scale(1.2);
}

.colors{
  position: fixed;
  top: 60px;
  left: 21px;
}

.colors> li{
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid grey;
  margin: 10px 0;
  transition: all 0.3s;
}

.colors >li.black{
  background: black;
}

.colors >li.red{
  background: red;
}

.colors >li.green{
  background: green;
}

.colors >li.blue{
  background: blue;
}

.colors> li.active{
  box-shadow: 0 0 3px rgba(0,0,0,0.5);
  transform: scale(1.2);
}

.sizes {
  position: fixed;
  left: 26px;
  top: 236px;
}
.sizes > li{
  margin: 20px 0;
}
.sizes >.thin{
  height: 0;
  width: 20px;
  border-top: 3px solid black;
}
.sizes > .thick{
  height: 0;
  width: 20px;
  border-top: 6px solid black;
}