bootstrap4--笔记--公共样式--边框
边框圆角
<img src="..." alt="..." class="rounded-circle"> <img src="..." alt="..." class="rounded-pill">
区别:
rounded-circle 的css样式为 border-radius: 50% !important;rounded-pill 的css样式为 border-radius: 50rem !important;
边框大小
<img src="..." alt="..." class="rounded"> <img src="..." alt="..." class="rounded-sm"> <img src="..." alt="..." class="rounded-lg">
区别
rounded 的css样式为 border-radius: .25rem !important //.25 == 0.25rounded-sm 的css样式为 border-radius: .2rem !important;rounded-lg 的css样式为 border-radius: .3rem !important;
杂念太多,必然根基浅薄