body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
    background: url('comingsoon.png') no-repeat center/cover fixed;
    color: #ffffff;
}
header {
    background-color: #171a21;
    padding: 20px;
}
header h1 {
    margin: 0;
    color: #ffffff;
}
main {
    padding: 40px 20px;
}
.steambutton {
  display: block;
  background-color: black;
  width: 270px;
  height: 50px;
  line-height: 50px;
  margin: auto;
  color: #fff;
  position: absolute;
  cursor: pointer;
  overflow: hidden;
  border-radius: 5px;
}

.steambutton span {
  font-family: 'Exo 2', sans-serif;
  font-weight: bold;
  letter-spacing: 0.1em;
  width: 75%;
  font-size: 14px;
  text-transform: uppercase;
  left: 0;
  -webkit-transition: all 0.25s cubic-bezier(0.31, -0.105, 0.43, 1.4);
  transition: all 0.25s cubic-bezier(0.31, -0.105, 0.43, 1.4);
}

.steambutton span,
.steambutton .icon {
  display: block;
  height: 100%;
  text-align: center;
  position: absolute;
  top: 0;
}

.steambutton .icon .fa {
  font-size: 30px;
  line-height: 50px;
  -webkit-transition: all 0.25s cubic-bezier(0.31, -0.105, 0.43, 1.4), height 0.25s ease;
  transition: all 0.25s cubic-bezier(0.31, -0.105, 0.43, 1.4), height 0.25s ease;
}

.steambutton .icon {
  width: 25%;
  right: 0;
  -webkit-transition: all 0.25s cubic-bezier(0.31, -0.105, 0.43, 1.4);
  transition: all 0.25s cubic-bezier(0.31, -0.105, 0.43, 1.4);
}

.steambutton span,
.steambutton .icon {
  display: block;
  height: 100%;
  text-align: center;
  position: absolute;
  top: 0;
}

.fa {
  display: inline-block;
  font: normal normal normal 14px/1 FontAwesome;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transform: translate(0, 0);
}

.steambutton span:after {
  content: '';
  background-color: white;
  width: 2px;
  height: 70%;
  position: absolute;
  top: 15%;
  right: -1px;
}

.steambutton.success span,
.steambutton:hover span {
  left: -72%;
  opacity: 0;
}

.steambutton.success .icon,
.steambutton:hover .icon {
  width: 100%;
}

.steambutton.success .icon .fa,
.steambutton:hover .icon .fa {
  font-size: 45px;
}
.note {
    margin-top: 20px;
}