css border-width property definition and usage instructions
The border-width property sets the width of the four borders of an element. This property can have one to four values.
Example:
border-width:thin medium thick 10px
The top border is a thin border
The right border is a medium border
The lower border is a thick border
The left border is a 10px wide border
border-width:thin medium thick
The upper border is a thin border
The right and left borders are medium borders
The bottom border is thick border
border-width:thin medium
The top and bottom borders are thin borders
The right and left borders are medium borders
border-width:thin
Instance, set the width of the four borders
p { border-style:solid; border-width:15px; }
Attribute value
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