stylesheet.css

html {
  font-size: 12pt;
  font-family: helvetica;
  height: 100%;
}

body {
  margin: 0;
  height: 100%;
}

.ce {
  height: 100%;
  width: 100%;
}

.ce-menu > ul {
  width: 100%;
  margin: 0;
  background-color: rgba(0,0,0,0.75);
  list-style-type: none;
  padding: 0;
}

.ce-menu button {
  border: 0;
  background-color: transparent;
  color: rgb(230,230,230);
  font-size: 1rem;
  padding: 0.75rem 0;
  margin: 0;
  outline-color: transparent;
  outline-style: none;
  text-align: left;
}

.ce-menu > ul > li {
  display: inline-block;
  position: relative;
  margin-left: 0.75rem;
  padding: 0 0.25rem;
}

.ce-menu > ul > li > ul {
  position: absolute;
  top: 100%;
  left: 0;
  padding: 0;
  list-style-type: none;
}

.ce-menu > ul > li > ul > li {
  width: 100%;
  position: relative;
}

.ce-menu > ul > li > ul > li > button {
  display: block;
  min-width: 100%;
  white-space: nowrap;
  background-color: rgba(60,60,60,0.75);
  padding: 0.5rem 0.5rem;
}

.ce-menu > ul > li > ul > li > button > span {
  font-size: 0.8rem;
  line-height: 1rem;
  color: darkgrey;
  margin-left: 1.4rem;
}

.ce-menu > ul > li > ul > li > button:hover {
  background-color: rgba(105,105,105,0.75);
  color: white;
}

.ce-menu > ul > li > button:not(:only-child) {
  color: white;
}

.ce-color {
  font-size: 2rem;
  text-align: center;
  width: 16rem;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -0.25rem;
  margin-left: -8rem;
  color: white;
  text-shadow: 2px 2px lightgrey;
  z-index: 0;
}