.flow_btn {
    position: fixed;
    left: 20px;
    top: 500px;
    z-index: 9999;
}       
.flow_btn2 {
	z-index: 9998;
}
.flow_btn ul li {
    margin-bottom: 5px;
    width: 44px;
    border-radius: 3px;
position: relative;
}
.flow_btn ul li a {
    display: block;
    width: 44px;
    height: 44px;
    text-indent: -9999px;
    border-radius: 3px;
}

.icon_fav {
	  background-size: 42px 42px;
	  display:block;
      width:44px;
      height:44px;
      text-indent:-9999px;
      border-radius:3px;
      background:#6e7b9c url(cosmos_top.png) no-repeat center center;
      margin-bottom:5px;
}
      
.icon_p {
	background: #6e7b9c url(cosmos_printe.png) no-repeat center center;
	background-size: 42px 42px;
}

.icon_fb {
	background: #6e7b9c url(cosmos_font_big.png) no-repeat center center;
	background-size: 42px 42px;
}

.icon_fm {
	background: #6e7b9c url(cosmos_font_middle.png) no-repeat center center;
	background-size: 42px 42px;
}

.icon_fs {
	background: #6e7b9c url(cosmos_font_small.png) no-repeat center center;
	background-size: 42px 42px;
}

.icon_back_top {
    background: #6e7b9c url(cosmos_back_top@2x.png) no-repeat center center;
    background-size: 42px 42px;opacity:0.3;
}
.icon_sc {
	background: #6e7b9c url(cosmos_top.png) no-repeat center center;
	background-size: 42px 42px;
}