css double stroke at the bottom is the "border-bottom-style" attribute. This attribute is used to set the style of the bottom border of the element. When the attribute value is set to "double", you can add a double solid to the bottom of the element. Line border, that is, double stroke effect; syntax "border-bottom-style:double".
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
css double stroke at the bottom is the "border-bottom-style" attribute.
The border-bottom-style attribute is used to set the style of the bottom border of the element.
When the value of this attribute is set to "double", a double solid line can be added to the bottom of the element. Border, that is, to achieve a double stroke effect.
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