Background image fill up/down in CSS

2018-07-02 00:03:11

This question already has an answer here:

Stretch and scale a CSS image in the background - with CSS only 18 answers

-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;

来自CSS技巧的文档：http://css-tricks.com/perfect-full-page-background-image/

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