.reveal .slide-background {
    background: url("images/zalando.png"), url("images/zalando-dresscode.png"), rgba(255,0,0,0);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: 85% 90%, 95% 95%, 30% 0%;
    background-size: 10%, 10%, 10%;
}

.reveal .controls .navigate-left, .reveal .controls .navigate-left.enabled {
    border-right-color: #ff6f0b;
}
.reveal .controls .navigate-right, .reveal .controls .navigate-right.enabled {
    border-left-color: #ff6f0b;
}
.reveal .controls .navigate-up, .reveal .controls .navigate-up.enabled {
    border-bottom-color: #ff6f0b;
}
.reveal .controls .navigate-down, .reveal .controls .navigate-down.enabled {
    border-top-color: #ff6f0b;
}

.reveal section img {
  background:none; 
  border:none; 
  box-shadow:none;
  }


section[data-state="introduction"] div.literalblock {
    width: 49%;
    display: inline-block;
}
section[data-state="introduction"] div.imageblock {
    width: 49%;
    display: inline-block;
}

.reveal .slide-background::before {
    position: fixed;
    background-color: #ff6f0b;
    height: 1%;
    top: 0;
    left: 33%;
    right: 33%;
    display: block;
    content: " ";
}