img element:
Use percentage for width;
Can we use css control to achieve:
No matter what device it is on:
The height of img is always equal to the width
2
0
0
Just let img occupy the parent container of equal width and height. There are various postures. For example:
Link description
It’s okay to use the image as a background image, set height to 0 and padding-top to 100%.
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