body {
  margin: 1vh 1vw;
  background-color: #efe;
}

ul,
fieldset,
legend {
  border: 1px solid;
  background-color: #fff;
}

ul {
  padding: 0;
  font-family: monospace;
}

li,
legend {
  list-style-type: none;
  padding: 0.2em 0.5em;
  background-color: #cfc;
}

li:nth-of-type(even) {
  background-color: inherit;
}

#fullpage-popup {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  background-color: #efe;
  display: none;
}

.loader {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  animation: spin 2s linear infinite;
  display: inline-block;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}