background-image doesn't appear if is empty?
I created a first thing in the
-
The best way I have found is:
for landscape:
width:100%;
height:0;
padding-top:[ratio]%;
for portrait:
width:[ratio]%;
height:0;
padding-top:100%;
You need to determine which side is longer and accept this dimension as 100%
then calculate [ratio] - percentage of shorter dimension in relation to 100% longer dimension. Then use the one of solutions above.
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I created a
The best way I have found is:
for landscape: for portrait: You need to determine which side is longer and accept this dimension as 100%
then calculate [ratio] - percentage of shorter dimension in relation to 100% longer dimension. Then use the one of solutions above. to draw a top line at the top of the page:
width:100%;
height:0;
padding-top:[ratio]%;
width:[ratio]%;
height:0;
padding-top:100%;
![[愿得一人]](https://www.e-learn.cn/qa/data/avatar/000/00/00/small_000000012.jpg)
加载中...
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