header{
  background-color:#8CE9D4 ;
}

ul.topnav {
	overflow: hidden;
	margin: 0;
	padding: 0;
	list-style-type: none;
	background-color: #1b2538;
}
ul.topnav li {
	float: left;
}
ul.topnav li a {
	display: block;
	padding: 14px 16px;
	text-align: center;
	text-decoration: none;
	color: white;
}
ul.topnav li a:hover:not(.active) {
	background-color: #a9bce2;
}
ul.topnav li a.active {
	background-color: #da3c41;
}
ul.topnav li.right {
	float: right;
}
@media screen and (max-width: 480px) {
	ul.topnav li.right, ul.topnav li {
		float: none;
	}
}

.btn-sticky{
	display: inline-block;
	width: 130px;
	height: 20px;
	padding:0.5em  0.5em;
	margin: 0px 0px 4px 0px;
	text-decoration: none;
	background: #f7f7f7;
	border-left: solid 6px #1b2538 ;
	color: #1b2538;
	font-weight: bold;
	box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
}

.btn-sticky:hover{
	box-shadow: inset 0 0 2px rgba(128, 128, 128, 0.1);
	transform: translateY(2px);
}
.btn{
	display: inline-block;
	width: 130px;
	height: 90px;
	padding:0.5em  0.5em;
	margin: 0px 0px 4px 0px;
	text-decoration: none;
	background: #f7f7f7;
	border-left: solid 6px #1b2538 ;
	color: #1b2538;
	font-weight: bold;
	box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
}

.btn:hover{
	box-shadow: inset 0 0 2px rgba(128, 128, 128, 0.1);
	transform: translateY(2px);
}

#text1{
	height: 0px;
	width: 0px;
}

#text2{
	height: 0px;
	width: 0px;
}

#page_top{
	width: 90px;
	height: 90px;
	position: fixed;
	right: 5px;
	bottom: 0;
	background: #7d3fef;
	opacity: 0.6;
	border-radius: 50%;
}

#page_top a{
	position:relative;
	display: block;
	width: 90px;
	height: 90px;
	text-decoration: none;
}

#page_top a::before{
	font-family: 'Font Awesome 5 Free';
	font-weight: 900;
	content: '\f102';
	font-size: 25px;
	color: #fff;
	position: absolute;
	width: 25 px;
	height: 25px;
	top: -40px;
	bottom: 0;
	right: 0;
	left: 0;
	margin: auto;
	text-align: center;
}

#page_top a::after{
	content: 'PAGE TOP';
	font-size: 13px;
	color: #fff;
	position: absolute;
	top: 45px;
	bottom: 0;
	right: 0;
	left: 0;
	margin: auto;
	text-align: center;
}

.sidebar{
  position: -webkit-sticky;
  position: sticky;
  top: 0px;
}

.side{
	padding: 0;
	padding-right: 20px;
}

.dosidosi{
	margin-top: 50px;
}