CSS样式

1.字体颜色渐变

background-image:linear-gradient(to bottom, #5affa, #0076ff);
-webkit-background-clip:text;
-webkit-text-fill-color:transparent;

2.背景颜色渐变

background:linear-gradient(to bottom, #242424, #1a1a1a);

3.自适应宽度

calc(25%-1px);

4.div中右侧叠加一个div

z-index:99;
position:absolute;
right:0px;

5.处理溢出、清除浮动、解决外边距塌陷

overflow:hidden;