border-bottom-style:dotted;

`border-bottom-style: dotted;`是CSS中的一个属性，它定义了元素底部边框的样式为点线边框。点线边框是由一系列点构成的，点的间隔和点的大小可以通过设置`border-bottom-width`和`border-bottom-color`属性来进行调整。除了`dotted`之外，还有其他的边框样式可供选择，如实线边框（`solid`）、双线边框（`double`）和虚线边框（`dashed`）等。该属性通常用于美化页面元素的边框。

相关问题

border-bottom-style

border-bottom-style是CSS中用于设置下边框样式的属性。它可以设置为solid（实线）、dashed（虚线）、dotted（点线）、double（双实线）等不同的样式。通过设置border-bottom-style属性，可以为元素的下边框添加不同的样式效果，从而实现更加丰富的页面设计。

border-bottom

The border-bottom property is used to set the style, width, and color of the bottom border of an element. It can be applied to any HTML element and is part of the CSS box model.

The syntax for border-bottom is as follows:

border-bottom: [border-width] [border-style] [border-color];

The values for each property are:

- border-width: Specifies the width of the border. It can be set in pixels, ems, rems, or other CSS units. The default value is medium.
- border-style: Specifies the style of the border. It can be solid, dashed, dotted, double, groove, ridge, inset, outset, or none. The default value is none.
- border-color: Specifies the color of the border. It can be set in a variety of ways, such as using named colors, hexadecimal values, RGB values, or HSL values. The default value is the color of the element's text.

For example, to create a solid, red border at the bottom of a paragraph element, you could use the following code:

p {
  border-bottom: 2px solid red;
}

This would create a 2-pixel-wide red line at the bottom of the paragraph.