


bootstrap sets the background image to adapt to the screen size:
Edit this style in css:
.bg { background:url(图片地址) no-repeat center; background-size:contain; }
Then quote it in your div This style will do:
<div class="row bg">
If the image does not scroll with the scroll bar, that is, if it is fixed, add fixd. The css code is as follows:
.bg { background:url(图片地址) no-repeat center fixed; background-size:contain; }
For more technical articles related to Bootstrap, please visit Bootstrap Tutorial column to learn!
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