使用边框实用程序快速设置元素的边框和边框半径。非常适合图像、按钮或任何其他元素。
使用边框实用程序添加或删除元素的边框。从所有边界或一次选择一个。
<span class="border"></span> <span class="border-top"></span> <span class="border-right"></span> <span class="border-bottom"></span> <span class="border-left"></span>
<span class="border-0"></span> <span class="border-top-0"></span> <span class="border-right-0"></span> <span class="border-bottom-0"></span> <span class="border-left-0"></span>
使用基于我们主题颜色的实用程序更改边框颜色。
<span class="border border-primary"></span> <span class="border border-secondary"></span> <span class="border border-success"></span> <span class="border border-danger"></span> <span class="border border-warning"></span> <span class="border border-info"></span> <span class="border border-light"></span> <span class="border border-dark"></span> <span class="border border-white"></span>
向元素添加类以轻松圆角。
<img src="..." alt="..." class="rounded"> <img src="..." alt="..." class="rounded-top"> <img src="..." alt="..." class="rounded-right"> <img src="..." alt="..." class="rounded-bottom"> <img src="..." alt="..." class="rounded-left"> <img src="..." alt="..." class="rounded-circle"> <img src="..." alt="..." class="rounded-0">