@import url(http://fonts.googleapis.com/css?family=Source+Code+Pro:400,600);
    
body {
  font-family: "Source Code Pro", Consolas, monaco, monospace;
  line-height: 1.5;
  font-weight: 400;
  background-color: #130C0E;
  padding: 20px;
}
header {
  width: 960px;
  background: #130C0E;
  height: 40px;
}
button {
  font-family: "Source Code Pro", Consolas, monaco, monospace;
  font-size: 14px;
  background: #130C0E;
  color: #7AC143;
  border: none;
  outline:none;
  padding: 4px 8px;
  letter-spacing: 1px;
}
button:hover {
  background: #7AC143;
  color: #130C0E;
}
#container {
    font-size: 18px;
    letter-spacing: 2px;
    text-align: center;
    white-space: nowrap;
    width: 800px;
    margin-top: 20px;
}
ul {
    padding: 0;
    margin: 0;
    list-style: none;
    background: #FDBB30;
    overflow: hidden;
}
li {
    display: inline-block;
    width: 100px;
    padding: 40px 20px;
    margin-right: 40px;
    background: #7AC143;
}