视觉艺术

第六谈:边框和颜色

2020-06-04  本文已影响0人  辽A丶孙悟空

本节课我们来开始学习 Bootstrap 的边框和颜色的样式。

一.边框样式
  1. 使用.border 给元素增加相应的边框,默认是淡灰色;
  2. 如果颜色太淡,可以使用.border-*设置想要的场景,比如.border-success;
  3. .border-*,包含:primarysecondarysuccessdangerwarninginfolightdarkwhite
      <img src="img/1.png" alt="边框" class="border-success border">
      <img src="img/1.png" alt="边框" class="border-success border-top">
      <img src="img/1.png" alt="边框" class="border-success border-bottom">
      <img src="img/1.png" alt="边框" class="border-success border-left">
      <img src="img/1.png" alt="边框" class="border-success border-right">
  1. 使用.border-0 消减四周的边框,或使用.border-*-0 消减某一边的边框;
      <img src="img/2.png" alt="边框" class="... border-0">
      <img src="img/2.png" alt="边框" class="... border-top-0">
      <img src="img/2.png" alt="边框" class="... border-bottom-0">
      <img src="img/2.png" alt="边框" class="... border border-left-0">
      <img src="img/2.png" alt="边框" class="... border border-right-0">
  1. 使用.rounded 和.rounded-*实现各种方位圆角;
      <img src="img/3.png" alt="圆角" class="rounded">
      <img src="img/3.png" alt="圆角" class="rounded-top">
      <img src="img/3.png" alt="圆角" class="rounded-bottom">
      <img src="img/3.png" alt="圆角" class="rounded-left">
      <img src="img/3.png" alt="圆角" class="rounded-right">
      <img src="img/3.png" alt="圆角" class="rounded-circle">
      <img src="img/3.png" alt="圆角" class="rounded-pill">
      <img src="img/3.png" alt="圆角" class="rounded-0">
  1. 使用.rounded-sm 和.rounded-lg 实现圆角半径大小;
      <img src="img/2.png" alt="圆角" class="rounded-sm">
      <img src="img/2.png" alt="圆角" class="rounded-lg">
二.颜色样式
  1. 使用.text-*将文本设置成指定的颜色,比如:text-success;
      <span class="text-primary">Bootstrap</span>
      <span class="text-secondary">Bootstrap</span>
      <span class="text-success">Bootstrap</span>
      <span class="text-danger">Bootstrap</span>
      <span class="text-warning">Bootstrap</span>
      <span class="text-info">Bootstrap</span>
      <span class="text-dark">Bootstrap</span>
      <span class="text-body">Bootstrap</span>
      <span class="text-muted">Bootstrap</span>
      <span class="text-light bg-dark">Bootstrap</span>
      <span class="text-white bg-dark">Bootstrap</span>
      <span class="text-black-50">Bootstrap</span>
      <span class="text-white-50 bg-dark">Bootstrap</span>
  1. 使用.text-*也可以实现悬停和焦点的超链接样式,white 和 muted 不支持;
      <a href=# class="text-primary">Bootstrap</a>
      <a href=# class="text-secondary">Bootstrap</a>
      <a href=# class="text-success">Bootstrap</a>
      <a href=# class="text-danger">Bootstrap</a>
      <a href=# class="text-warning">Bootstrap</a>
      <a href=# class="text-info">Bootstrap</a>
      <a href=# class="text-dark">Bootstrap</a>
      <a href=# class="text-body">Bootstrap(no)</a>
      <a href=# class="text-muted">Bootstrap(no)</a>
      <a href=# class="text-light bg-dark">Bootstrap</a>
      <a href=# class="text-white bg-dark">Bootstrap(no)</a>
      <a href=# class="text-black-50">Bootstrap</a>
      <a href=# class="text-white-50 bg-dark">Bootstrap</a>
  1. 使用.bg-*可以实现背景色,具体如下:
      <div class="p-2 mb-2 bg-primary">Bootstrap</div>
      <div class="p-2 mb-2 bg-secondary">Bootstrap</div>
      <div class="p-2 mb-2 bg-success">Bootstrap</div>
      <div class="p-2 mb-2 bg-danger">Bootstrap</div>
      <div class="p-2 mb-2 bg-warning">Bootstrap</div>
      <div class="p-2 mb-2 bg-light">Bootstrap</div>
      <div class="p-2 mb-2 bg-dark">Bootstrap</div>
      <div class="p-2 mb-2 bg-white">Bootstrap</div>
      <div class="p-2 mb-2 bg-transparent">Bootstrap</div>
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