.bt_topo_fixed2{
	font-family:"Lucida Sans Unicode", "Lucida Grande", sans-serif;
	
	text-align:center;
	cursor:pointer;
	position:fixed;
	bottom:0;
	right:0;
	margin-right:15px;
	margin-bottom:15px;
	-moz-transition-property: none;
	-webkit-transition-property: none;
	-o-transition-property: none;
	transition-property: none;
	z-index: 999;	
}
.bt_topo_fixed2 .bt_topo_square2{
	width:58px;
	height:58px;
	overflow:hidden;
	/*background-image:url(../imagens/seta_bt.png);*/
	background-position:-5px -6px;
	transition-duration:0.5s;
	-moz-transition-duration:0.5s;
	-webkit-transition-duration:0.5s;
	-o-transition-duration:0.5s;	
	background-repeat:no-repeat;
	-webkit-border-radius: 10px;
	-moz-border-radius: 10px;
	border-radius: 10px;
	/*background-color:#000;*/
	margin:0 auto;
	filter:progid:DXImageTransform.Microsoft.Alpha(opacity=80);
	-moz-opacity: 0.8;
	z-index:999999;
}
.bt_topo_fixed2 .bt_topo_square2.hover{
	/*background-color:#eee;*/
	background-position:-5px -45px;
}
.bt_topo_fixed2:hover span{
	color:#262626;
}
.bt_topo_fixed2 span{
	padding-top:10px;
	text-transform:uppercase;
	font-size:8px;
	line-height:8px;
	color:#999;
}
.bt_topo_fixed2 .bt_topo_square2 img{
	transition-duration:0.3s;
	-moz-transition-duration:0.3s;
	-webkit-transition-duration:0.3s;
	-o-transition-duration:0.3s;
    -webkit-filter: brightness(100%);
    filter: brightness(100%);
}
.bt_topo_fixed2 .bt_topo_square2 img:hover{
    -webkit-filter: brightness(120%);
    filter: brightness(120%);
}