<style>

        body {font-family:Verdana;}

        p {padding:20px 0;}

       

        #backtop {

	        position: fixed;

            right:auto;right: 20px;top:auto;bottom: 20px;

	        outline: none;

            overflow:hidden;

            color:#fff;

            text-align:center;

            background-color:rgba(49,79,96,0.84);

            height:40px;

            width:60px;

            line-height:40px;

            font-size:14px;

            border-radius:2px;

            cursor:pointer;

            transition:all 0.3s linear;

            z-index:999999;



            opacity:1;

            display:none;

        }

        #backtop:hover {

            background-color:#cccccc;

        }

        #backtop.mcOut {

            opacity:0;

        }

    </style>



 

	  

