css:
.rotate90deg {
transform: rotate(90deg);
-ms-transform: rotate(90deg); /* IE 9 */
-moz-transform: rotate(90deg); /* Firefox */
-webkit-transform: rotate(90deg); /* Safari 和 Chrome */
-o-transform: rotate(90deg); /* Opera */
.rotate90deg {
transform: rotate(90deg);
-ms-transform: rotate(90deg); /* IE 9 */
-moz-transform: rotate(90deg); /* Firefox */
-webkit-transform: rotate(90deg); /* Safari 和 Chrome */
-o-transform: rotate(90deg); /* Opera */
}
js:
$("#div").css({
"width": document.body.clientHeight,
"height": document.body.clientWidth,
"position": "absolute",
"top": ((document.body.clientHeight - document.body.clientWidth) / 2),
"left": -((document.body.clientHeight - document.body.clientWidth) / 2)
});
文章来源
https://www.cnblogs.com/xuguanghui/p/6603450.html