body { 
  padding: 0;
  margin: 0;
  background:
    /* top, transparent black, faked with gradient */ 
    linear-gradient(
      rgba(0, 0, 0, 0.65), 
      rgba(0, 0, 0, 0.65)
    ),
    /* bottom, image */
    url(background.jpg) no-repeat center bottom fixed;
  background-size: cover;
  color: #ddd;
  font-family: 'Muli', sans-serif;
  text-align:center;
}

h1 {
  font-size: 85px;
  font-weight: 900;
  padding-top: 50px;
  padding-bottom: 56px;
  margin-top: 0;
  color: white;
  text-transform: uppercase;
  background-color: rgba(255, 255, 255, 0.05);
}

.date {
  font-size: 85px;
  padding-top: 50px;
  padding-bottom: 16px;
  margin-top: 0;
  color: white;
  text-transform: uppercase;
}

h2 {
  font-size: 35px;
  font-weight: 300;
}

.register {
  display: inline-block;
  width: 500px;
  height: 100px;
  line-height: 100px;
  background-color: green;
  opacity: 0.8  ;
  font-size: 25px;
  margin-top: 50px;
  border-radius: 4px;
}

a {
  text-decoration: none;
  color: inherit;
}

a:hover {
  color: white;
  text-decoration: underline;
  opacity: 1;
}

.footer {
  text-align: center;
  position: absolute;
  bottom: 8px;
  width: 100%;
}

em {
  font-style: normal;
  font-weight: bold;
  color: white;  
}