.btn-wsp{
    position:fixed;								/*position:fixed;*/
    width:60px;									/*width:60px;*/
    height:60px;								/*height:60px;*/
    line-height:58px;							/*line-height:63px;*/
    bottom:40px;								/*bottom:25px;*/
    right:40px;									/*right:25px;*/
    background:#25d366;							/*background:#25d366;*/
    color:#FFF;									/*color:#FFF;*/
    border-radius:90px;							/*border-radius:50px;*/
    text-align:center;							/*text-align:center;*/
    font-size:35px;								/*font-size:35px;*/
    box-shadow: 0px 1px 10px rgba(0,0,0,0.3);	/*box-shadow: 0px 1px 10px rgba(0,0,0,0.3);*/
    z-index:100;								/*z-index:100;*/
    transition: all 300ms ease;					/*transition: all 300ms ease;*/
}
.btn-wsp:hover{
    background:#20ba5a;
}
@media only screen and (min-width:320px) and (max-width:768px){
    .btn-wsp{
        width:63px;
        height:63px;
        line-height: 66px;
	}
}