* { margin:0; padding:0; } #canvas { display:block; margin:0 auto; } #controller { margin:0 auto; } .op_btn { float:right; margin:10px 0 0 10px; border:2px solid #aaa; width:80px; height:40px; line-height:40px; font-size:20px; text-align:center; border-radius:5px; cursor:pointer; background-color:#fff; font-weight:bold; } .op_btn:hover { background-color:#fed; } .clearfix { clear:both; } .color_btn { float:left; margin:10px 10px 0 0; border:5px solid white; width:40px; height:40px; border-radius:5px 5px; cursor:pointer; } .color_btn:hover { border:5px solid violet; } .color_btn_selected { border:5px solid blueviolet; } #black_btn { background-color:black; } #blue_btn { background-color:blue; } #green_btn { background-color:green; } #red_btn { background-color:red; } #orange_btn { background-color:orange; } #yellow_btn { background-color:yellow; }
更新时间:2021-09-16 01:25:25