body {font-family: 'Open Sans', sans-serif; font-size: 100%;}

header {padding: 0 16px;}
.nav-header{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 2em;
    font-weight: 300;

}
.nav-header .title{ position: relative; left: 50px; text-transform: uppercase;}

.nav-icon {max-width: 40px;}

.block-vert-center {
    position: absolute;
    top: 50%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}

.audio-text {
    font-size: 1.5em;
    font-weight: 300;
}

.nav-logo{right: 10px}

.btn-home{
  background: url('../images/home-icon.png') no-repeat center center;
  width: 50px;
  height: 50px;
  border-radius:50%;
  color:#555;
  background-color: #ccc;
  position: fixed;
  bottom: 16px;
  right: 16px;
  font-size: 2em;
  opacity: .5;
  text-align: center;
}

.btn-home:hover{
 opacity:.8;
 color:#777;
}