/* 768 < 宽度*/
@media screen and (min-width: 768px) {
.app-main, #app.app-desktop .bodymain {
left: 0;
}
.menuBar {
z-index: 999999;
left: -62px;
opacity: 0;
box-shadow: 0 0 25px #b4b4b4;
-webkit-transition: all .2s ease-in-out;
-moz-transition: all .2s ease-in-out;
-o-transition: all .2s ease-in-out;
transition: all .2s ease-in-out;
}
.menuBar:hover {
left: 0;
opacity: 1;
}
}
在外围加一个媒体查询会好点，页面是适应移动端的，移动端没有那个头会很难看
