html, body{
  height: 100%;
  background-color: #333;

}

body {
  text-align: center;
  color: lavender;
}

.site-wrapper{
  display: table;
  width: 100%;
  height: 100%;
  min-height: 100%;
}

.site-wrapper-inner{
  display: table-cell;
  vertical-align: top;
}

.cover-container{
  margin-left: auto;
  margin-right: auto;
}

.inner{
  padding: 30px;
}

.cover {
  padding: 0 20px;
}

.cover .btn-lg{
  padding: 10px 20px;
  font-weight: bold;
}

#crux{
  color: black;
}