.banner_list_btn{ right:0px; bottom:0px; position:absolute; text-align:right; display:block;}
.list_btn{ position:absolute; right:0px;}
.left_btn{ display:none;}
.right_btn{display:none;}

.banner_list_btn{ right:0px; bottom:0px; position:absolute; text-align:right; display:block;}
.list_btn{ position:absolute; right:0px;}
.left_btn{ display:none;}
.right_btn{display:none;}