html, body
{
	height:100%;
}
#nav
{
	color:white;
}
#btn{
	background-color:white;
	color:black;width:100%;
	text-align:left;
	margin:0px;
	border:0px;
	padding:15px;
	box-shadow: 0 1px 5px rgba(0,0,0,.5);
}
#div_btn{
	background-color:white;
	margin:10px 0px;
	box-shadow: 0 1px 5px rgba(0,0,0,.5);
	border-radius:4px;
	color:black;
}



/* width */
::-webkit-scrollbar {
  width: 10px;
}

/* Track */
::-webkit-scrollbar-track {
  box-shadow: inset 0 0 5px grey; 
  border-radius: 5px;
}
 
/* Handle */
::-webkit-scrollbar-thumb {
  background: #9E9E9E; 
  border-radius: 5px;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
  background: #222; 
}