@charset"utf-8";



.topA .btn1{ 
	background:url(../img/toUp.png) left top no-repeat; 
	width:91px; 
	height:84px;  
	z-index:1000;
}
	

.cd-top {
    display: inline-block;
    position: fixed;
    bottom: 70px;
    right: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    /* image replacement properties */
    overflow: hidden;
    text-indent: 100%;
    white-space: nowrap;
    visibility: hidden;
    opacity: 0;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
}
.cd-top.cd-is-visible {
    /* the button becomes visible */
    visibility: visible;
    opacity: 1;
}