* {
  box-sizing: border-box;
}
body {
  font-family: sans-serif;
  background-color: #333;
  color:white;
  font-size: 18px;
}
h1,h2 {
  font-weight:100;
}
h1 {
  font-size:2.5em;
}
h2 {
  font-size:1.5em;
}
.container {
  text-align: center;
}
ul {
  padding:0;
}
ul li {
  list-style: none;
}
.container a {
  color:#ddd;
  text-decoration: none;
  border:1px solid white;
  padding:.75em;
  margin:.5em;
  display:inline-block;
  box-shadow: 0 0 0 #36af6d;
  transition:.25s ease box-shadow, .5s ease border-color, .5s ease color;
}
a:hover {
  color:#fff;
  border-color: #36af6d;
  box-shadow: 0 0 8px #36af6d;
}