css垂直居中
word-wrap: break-word; /*英文的时候需要加上这句,自动换行*/
/*自测了这句话没啥用*/
writing-mode: vertical-rl; /*从左向右 从右向左是 writing-mode: vertical-rl;*/
writing-mode: tb-rl; /*IE浏览器的从左向右 从右向左是 writing-mode: tb-rl;*/
text-align: center;
padding: 0px;
display: flex;
-webkit-display: flex;
flex-direction: column;
/* align-content: center; */
/* vertical-align: middle; */
justify-content: center;