@keyframes bake-pie {
  from {
    transform: rotate(0deg) translate3d(0,0,0);
  }
}

body {
  font-family: "Open Sans", Arial;
  background: #1e1e1e;
}
main {
  max-width: 100%;
  height: auto;
  margin: 30px auto;
}
section {
  margin-top: 30px;
}
.pieID {
  display: inline-block;
  vertical-align: top;
}
.pie {
  height: 200px;
  width: 200px;
  position: relative;
  margin: 30px 30px 30px 30px;
}
.pie::before {
  content: "";
  display: block;
  position: absolute;
  z-index: 1;
  width: 100px;
  height: 100px;
  background: #1e1e1e;
  border-radius: 50%;
  top: 50px;
  left: 50px;
}
.pie::after {
  content: "";
  display: block;
  width: 120px;
  height: 2px;
  background: rgba(0,0,0,0.1);
  border-radius: 50%;
  box-shadow: 0 0 3px 4px rgba(0,0,0,0.1);
  margin: 220px auto;
  
}
.slice {
  position: absolute;
  width: 200px;
  height: 200px;
  clip: rect(0px, 200px, 200px, 100px);
  animation: bake-pie 1s;
}
.slice span {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  background-color: black;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  clip: rect(0px, 200px, 200px, 100px);
}
.legend {
  list-style-type: none;
  width: auto;
  padding: 0;
  margin: 0;
  background: #FFF;
  padding: 15px;
  padding-right: 15px;
  font-size: 13px;
  border-right: 3px;
  border-bottom: 3px;
  border-right-style: solid;
  border-bottom-style: solid;
  border-color: #33a0d1;
  border-radius: 3px;

}
.legend li {
  width: auto;
  height: 1.25em;
  margin-bottom: 0.7em;
  padding-left: 0.5em;
  border-left: 1.25em solid black;
}
.legend em {
  font-style: normal;
}
.legend span {
  float: right;
  margin-left: 10px;
}
footer {
  position: fixed;
  bottom: 0;
  right: 0;
  font-size: 13px;
  background: #DDD;
  padding: 5px 10px;
  margin: 5px;
}