/*图片垂直水平居中*/
.middleCenter {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
max-width: 100%;
max-height: 100%;
display: block;
vertical-align: middle;
text-align: center;
margin: auto;
}
/*图片垂直右对齐*/
.middleRight {
position: absolute;
top: 0;
bottom: 0;
right: 0;
max-width: 100%;
max-height: 100%;
display: block;
vertical-align: middle;
margin: auto;
}
/*图片垂直左对齐*/
.middleLeft {
position: absolute;
top: 0;
bottom: 0;
left: 0;
max-width: 100%;
max-height: 100%;
display: block;
vertical-align: middle;
margin: auto;
}