.btn-arrow {
			width:100px;
			height:35px;
			background-color:#337ab7;
			border:none;
			transition:0.2s;
			border-radius:3px;
			
		 }
		 .btn-arrow span{
		 position:relative;
		 transition:0.2s;
		 font-size:18px;
		 color:white;
		 
		 }
		 .btn-arrow span:after{
			content:'\00bb';
			right:-21px;
			position:absolute;
			top:-7px;
			opacity:0;
			transition:0.2s;
			font-size:25px;
			padding:0px;
			
		}
		.btn-arrow:hover{
		background-color:#428cca;
		}
	.btn-arrow:hover span{
		margin-left:-17px;
		}
		.btn-arrow:hover span:after{
		opacity:1;
		}
.nav li a{
		transition:0.3s;
	}	
.nav li a:hover{
	background-color:#337ab7;
	color:white;
	border:none;
	}