html {
  height: 100%;
}
body {
  background: url(../images/mountain.jpg) no-repeat;
  background-size: cover;
  height: 100%;
}
.earth-copy {
  float: left;
  width: 450px;
  margin-left: 42px;
  margin-top: -79px;
}
.search {
  border-radius: 10px;
  float: right;
  font-size: 20px;
  margin-right: 60px;
  margin-top: -28px;
  outline: none;
  padding: 8px;
  width: 300px;
}
footer {
  bottom: 0;
  left: 0;
  padding: 10px;
  position: absolute;
  right: 0;
}
.coders {
  bottom: 0;
  color: lightgrey;
  left: 0;
  padding: 10px;
  /*padding-top: 15px;*/
  position: absolute;
  right: 0;
  text-align: right;
}

.song {
  display: block;
  margin: 21% 0 0 1%;
}
main {
  color: #fff;
  font-size: 34px;
  margin: 15% 0 0 7%;
  text-shadow: 0 1px 2px black;
  width: 900px;
}
.quiz-button {
  text-decoration: none;
  display: inline-block;
  float: right;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 8px;
  color: black;
  cursor: pointer;
  font-size: 20px;
  margin-top: 20px;
  padding: 10px 40px;
  margin-right: 60px;
  margin-top: 60px;
}