1、font连写：

例如：font:15px/23px "ralewayregular","Helvetica Neue",Helvetica,Arial,sans-serif

2、counter-reset

例如：counter-reset: /steps 0;

3、text-indent:100%

4、transition-duration:0.2s

transition-timing-function:ease;

5、chrome url

6、text-transform:none;

7、text-rendering:optimizelegibility

8、transition:color 0.2s linear 0s;

9、transform:translateY(-100%);

10、backface-visibility:hidden;

11、-moz-box-sizing: border-box;

12、white-space: normal

13、text-transform:uppercase;

13、letter-spacing:1px;

14、background-attachment:fixed !important;    background-attachment: scroll;

15、css媒体属性

16、use strict