.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background-color: #fff;
  opacity: 0.7;
}
.preloader .loading {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  font: 14px arial;
}

.colors2 {
display: flex;
flex-wrap: wrap;
margin: 0 -5px; }
.colors2 .color2 {
  border-radius: 3px;
  width: calc((100% / 4) - 10px);
  padding: 15px;
  height: 100%;
  line-height: 22px;
  text-align: left;
  margin: 5px; }