@media only screen and (max-width: 768px) {
  
.header {
	width: 100%;
	margin: 0px auto 0px;
	color: white;
	background: #5F9EA0;
	text-align: center;
	border: 1px solid #B0C4DE;
	border-bottom: none;
	border-radius: 10px 10px 0px 0px;
	padding: 20px;
}

form, .content {
	
	width: 100%;
	height: 100%;
	margin: 0px auto;
	padding: 20px;
	border: 1px solid #B0C4DE;
	background: white;
	border-radius: 0px 0px 10px 10px;
}

.centar{
	width: 100%;
  }

.input-group{
	width: 100%;
	
}
}