$(‘body’).css({ “overflow-x”:&# […]

word-wrap:break-word; word-break: break-all;

text-align: justify;

display:flex; 1：flex-direction:row; 沿水平主轴让元素从左向右排列 2：fl […]

1、水平居中： 1）、给img设display:inline-block;然后父级text-align：cen […]

overflow: hidden; text-overflow:ellipsis; white-space: […]

.second_page_icon img{ width:100%; transition: all 1s; […]

box-sizing: border-box; //内边距不计算

input:focus{ outline:none; }

background-repeat: no-repeat; background-position: 50%; […]