common css公共

/*遮罩层*/
.shadow{
position: fixed;
top: 0;
left: 0;
z-index: 100;
width: 100%;
height: 100%;
background: rgba(0,0,0,.5) repeat;
}

/*黑底白字提示框*/
.mobil{
text-align: center;
background-color: rgba(0,0,0,0.5);
color: #fff;
border: none;
border-radius: 5px;
width: 84%;
line-height: 2rem;
position: fixed;
right: 50%;
left: 9%;
bottom: 50%;
}