@charset "utf-8";/* CSS Document */.toolbar{position:fixed;left:50%;bottom:5px;margin-left:-26px}.toolbar-item{display:block;width:52px;height:52px;background-image:url(toolbar.png); background-repeat:no-repeat;margin-top:1px;position:relative;}.toolbar-item:hover toolbar-layer{opacity:1;transform:scale(1);}.toolbar-item-weixin{background-position: 0 -798px;}.toolbar-item-weixin toolbar-layer{height:212px;background-position:0 0;}.toolbar-item-weixin:hover{background-position: 0 -860px;}.toolbar-item-feedback{background-position:0 -426px;}.toolbar-item-feedback:hover{background-position:0 -488px;}.toolbar-item-app{background-position:0 -550px;}.toolbar-item-app toolbar-layer{height:194px;background-position:0 -222px;}.toolbar-item-app:hover{background-position:0 -612px;}.toolbar-item-top{background-position:0 -674px;}.toolbar-item-top:hover{background-position:0 -736px;}.toolbar-layer{positon:absolute;right:52px;bottom:0;width:172px;background-image:url(toolbar.png);background-repeat:no-repeat;opacity:0;filter:alpha(opacity=0);transform:scale(0.01);}大神看看我的css代碼，為什么不行？我不是用scss做得