How to remove the top border in css: 1. Use the "border-top:none;" statement to remove it; 2. Use the "border-top:transparent;" statement to set the border color of the top border to transparent; 3. , use the "border-top:0;" statement to set the border width of the top border to 0.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
When we use the border attribute to set the border, we will set all four borders at once:
Sometimes, we don’t need The upper border, then how to remove it? You can use the border-top attribute.
Method 1:
div{ height: 50px; border: 1px solid red; border-top:none; }
##Method 2:
div{ height: 50px; border: 1px solid red; border-top:transparent; }
Method 3:
div{ height: 50px; border: 1px solid red; border-top:0; }
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