piskel/css/toolbox/palettes-list.css

.palettes-list-container {
}

.palettes-title {
  background-image: url('../img/layers.svg');
  background-size: 22px;
  background-repeat: no-repeat;
  background-position: 97%;
}

.palettes-list-colors {
  overflow:hidden;
}

.palettes-list-color {
  cursor : pointer;
  float: left;
  margin : 0px 0 5px 5px;
  width : 32px;
  height : 32px;
  position: relative;
}

.palettes-list-color div{
  width : 32px;
  height : 32px;
}

.palettes-list-color.primary:before,
.palettes-list-color.secondary:before {
  content: "";
  position: absolute;
  bottom: -1px;
  display: inline-block;
  border: 7px solid gold;
  border-top-color: transparent;

  width: 0px;
  height: 0px;
}

.palettes-list-color.primary:before {
  left: -1px;
  border-right-color: transparent;
}


.palettes-list-color.secondary:before {
  right: -1px;
  border-left-color: transparent;
}