style.css

.htmlcode {
  display: inline-block;
  height: auto;
  width: 450px;

}



h2{
  color: #c94c4c;
  
}

h4{
  background-color: #6b5b95;
  color: white;
  padding-top: 5px;
  padding-bottom: 5px;
  padding-left: 5px;
  
}

.shiny-input-panel{
  background-color: black;
  border: 0;
}

label.control-label{
  color: white;
}

#selection {
  background-color: black;
}