@-webkit-keyframes snow {
 0% {background-position: 0px 0px;}
 100% {background-position: 500px 1000px, 400px 400px, 300px 600px;}
}

h1 {
  font-family: 'Poiret One', cursive;
  margin: 0 0 30px;
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  color: #007300;
}

h2 {
  font-family: 'Poiret One', cursive;
  margin: 0 0 30px;
  text-align: center;
}

p {
  font-family: 'Crimson Text', serif;
  font-size: 1.3rem;
}

.message p:first-of-type {
  text-align: center;
}

.message p:last-of-type {
  font-size: 0.8rem;
  text-align: right;
}

.message p span {
  color: #de080f;
  display: block;
  font-size: 2rem;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background-image: radial-gradient(transparent, black);
  min-height: 100vh;
  padding: 2vh 10px;
}

body {
  background-color: #000;
  background-image: url('img/500.png'), url('img/400.png'), url('img/300.png');
  -webkit-animation: snow 20s linear infinite;
}

section {
  border: solid rgba(255, 255, 255, 0.3) 2px;
  background-color: rgba(0, 0, 0, 0.74);
  color: white;
  margin-bottom: 25px;
  padding: 30px 20px;
  position: relative;
}

.santa-hat {
  display: none;
  position: absolute;
  top: -14px;
  left: -53px;
}

.call-to-action {
  text-align: center;
}

.call-to-action a {
  background-color: #de080f;
  color: white;
  text-decoration: none;
  font-size: 2rem;
  padding: 5px 20px;
  border-radius: 3px;
  transition: background-color .25s ease-out;
}

.call-to-action a:hover {
  background-color: #a50000;
}

@media only screen and (min-width: 768px)  {
  .overlay {
    padding-top: 8vh;
  }

  section {
    box-sizing: border-box;
    padding: 30px 90px;
    margin: 0 auto 25px;
    max-width: 750px;
  }
}

@media only screen and (min-width: 850px)  {
  .santa-hat {
    display: block;
  }
}