bi-question-lg

引入 be-icons.css（使用SVG图标时不需要）

<link rel="stylesheet" href="https://cdn.phpbe.com/ui/be-icons.css">

字体图标

<i class="bi-question-lg"></i>

控制大小、颜色

<span style="font-size:3rem; color: #B75555;">
  <i class="bi-question-lg"></i>
</span>

<i class="bi-question-lg"  style="font-size:4rem; color: #B75555;"></i>

通过 BE前端框架样式 控制大小、颜色

<span class="be-fs-300 be-c-purple">
  <i class="bi-question-lg"></i>
</span>

<i class="bi-question-lg be-fs-400 be-c-purple"></i>

与文字混排

图标 与文字混排 
<span class="be-fs-150 be-c-pink">
  图标 <i class="bi-question-lg"></i> 与文字混排
</span>

用于链接

链接   按钮外观的链接 
<a href="#">
  <i class="bi-question-lg"></i> 链接
</a>
 &nbsp; 
<a href="#" class="be-btn be-btn-blue be-btn-outline">
  <i class="bi-question-lg"></i> 按钮外观的链接
</a>

用于按钮

    
<button class="be-btn">
  <i class="bi-question-lg"></i> 按钮
</button>
 &nbsp; 
<button class="be-btn be-btn-major">
  <i class="bi-question-lg"></i> 按钮
</button>
 &nbsp; 
<button class="be-btn be-btn-green be-btn-plain be-btn-lg">
  <i class="bi-question-lg"></i> 按钮
</button>

SVG图标

<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 16">
  <path fill-rule="evenodd" d="M4.475 5.458c-.284 0-.514-.237-.47-.517C4.28 3.24 5.576 2 7.825 2c2.25 0 3.767 1.36 3.767 3.215 0 1.344-.665 2.288-1.79 2.973-1.1.659-1.414 1.118-1.414 2.01v.03a.5.5 0 0 1-.5.5h-.77a.5.5 0 0 1-.5-.495l-.003-.2c-.043-1.221.477-2.001 1.645-2.712 1.03-.632 1.397-1.135 1.397-2.028 0-.979-.758-1.698-1.926-1.698-1.009 0-1.71.529-1.938 1.402-.066.254-.278.461-.54.461h-.777ZM7.496 14c.622 0 1.095-.474 1.095-1.09 0-.618-.473-1.092-1.095-1.092-.606 0-1.087.474-1.087 1.091S6.89 14 7.496 14Z"/>
</svg>
下载 SVG 文件

控制大小、颜色

<style type="text/css">
  .svg-style-1 svg {
    display: inline-block;
    vertical-align: -.125em;
    width: 4rem;
    height: 4rem;
    color: #B75555;
  }
</style>

<span class="svg-style-1">
<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 16">
  <path fill-rule="evenodd" d="M4.475 5.458c-.284 0-.514-.237-.47-.517C4.28 3.24 5.576 2 7.825 2c2.25 0 3.767 1.36 3.767 3.215 0 1.344-.665 2.288-1.79 2.973-1.1.659-1.414 1.118-1.414 2.01v.03a.5.5 0 0 1-.5.5h-.77a.5.5 0 0 1-.5-.495l-.003-.2c-.043-1.221.477-2.001 1.645-2.712 1.03-.632 1.397-1.135 1.397-2.028 0-.979-.758-1.698-1.926-1.698-1.009 0-1.71.529-1.938 1.402-.066.254-.278.461-.54.461h-.777ZM7.496 14c.622 0 1.095-.474 1.095-1.09 0-.618-.473-1.092-1.095-1.092-.606 0-1.087.474-1.087 1.091S6.89 14 7.496 14Z"/>
</svg>
</span>

与文字混排

图标 与文字混排 
<style type="text/css">
  .svg-style-2 {
    font-size: 1.5rem;
    color:#c69;
  }
  .svg-style-2 svg {
    display: inline-block;
    vertical-align: -.125em;
    width: 1.5rem;
    height: 1.5rem;
  }
</style>

<span class="svg-style-2">
 图标 
<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 16">
  <path fill-rule="evenodd" d="M4.475 5.458c-.284 0-.514-.237-.47-.517C4.28 3.24 5.576 2 7.825 2c2.25 0 3.767 1.36 3.767 3.215 0 1.344-.665 2.288-1.79 2.973-1.1.659-1.414 1.118-1.414 2.01v.03a.5.5 0 0 1-.5.5h-.77a.5.5 0 0 1-.5-.495l-.003-.2c-.043-1.221.477-2.001 1.645-2.712 1.03-.632 1.397-1.135 1.397-2.028 0-.979-.758-1.698-1.926-1.698-1.009 0-1.71.529-1.938 1.402-.066.254-.278.461-.54.461h-.777ZM7.496 14c.622 0 1.095-.474 1.095-1.09 0-.618-.473-1.092-1.095-1.092-.606 0-1.087.474-1.087 1.091S6.89 14 7.496 14Z"/>
</svg> 
与文字混排
</span>

SVG 需增加专门的样式进行控制

用于链接

链接 
<style type="text/css">
  .svg-style-3 svg {
    display: inline-block;
    vertical-align: -.125em;
    width: 1rem;
    height: 1rem;
  }
</style>

<a href="#" class="svg-style-3">
<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 16">
  <path fill-rule="evenodd" d="M4.475 5.458c-.284 0-.514-.237-.47-.517C4.28 3.24 5.576 2 7.825 2c2.25 0 3.767 1.36 3.767 3.215 0 1.344-.665 2.288-1.79 2.973-1.1.659-1.414 1.118-1.414 2.01v.03a.5.5 0 0 1-.5.5h-.77a.5.5 0 0 1-.5-.495l-.003-.2c-.043-1.221.477-2.001 1.645-2.712 1.03-.632 1.397-1.135 1.397-2.028 0-.979-.758-1.698-1.926-1.698-1.009 0-1.71.529-1.938 1.402-.066.254-.278.461-.54.461h-.777ZM7.496 14c.622 0 1.095-.474 1.095-1.09 0-.618-.473-1.092-1.095-1.092-.606 0-1.087.474-1.087 1.091S6.89 14 7.496 14Z"/>
</svg>
 链接
</a>

用于按钮

<style type="text/css">
  .svg-style-4 svg {
    display: inline-block;
    vertical-align: -.125em;
    width: 1rem;
    height: 1rem;
  }
</style>

<button class="be-btn be-btn-major svg-style-4">
<svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 16">
  <path fill-rule="evenodd" d="M4.475 5.458c-.284 0-.514-.237-.47-.517C4.28 3.24 5.576 2 7.825 2c2.25 0 3.767 1.36 3.767 3.215 0 1.344-.665 2.288-1.79 2.973-1.1.659-1.414 1.118-1.414 2.01v.03a.5.5 0 0 1-.5.5h-.77a.5.5 0 0 1-.5-.495l-.003-.2c-.043-1.221.477-2.001 1.645-2.712 1.03-.632 1.397-1.135 1.397-2.028 0-.979-.758-1.698-1.926-1.698-1.009 0-1.71.529-1.938 1.402-.066.254-.278.461-.54.461h-.777ZM7.496 14c.622 0 1.095-.474 1.095-1.09 0-.618-.473-1.092-1.095-1.092-.606 0-1.087.474-1.087 1.091S6.89 14 7.496 14Z"/>
</svg>
 按钮
</button>

SVG用于CSS背景中

<style type="text/css">
  .svg-style-5 {
    display: inline-block;
    width: 6rem;
    height: 6rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill-rule='evenodd' d='M4.475 5.458c-.284 0-.514-.237-.47-.517C4.28 3.24 5.576 2 7.825 2c2.25 0 3.767 1.36 3.767 3.215 0 1.344-.665 2.288-1.79 2.973-1.1.659-1.414 1.118-1.414 2.01v.03a.5.5 0 0 1-.5.5h-.77a.5.5 0 0 1-.5-.495l-.003-.2c-.043-1.221.477-2.001 1.645-2.712 1.03-.632 1.397-1.135 1.397-2.028 0-.979-.758-1.698-1.926-1.698-1.009 0-1.71.529-1.938 1.402-.066.254-.278.461-.54.461h-.777ZM7.496 14c.622 0 1.095-.474 1.095-1.09 0-.618-.473-1.092-1.095-1.092-.606 0-1.087.474-1.087 1.091S6.89 14 7.496 14Z'/%3e%3c/svg%3e");
    background-size: 6rem 6rem;
    background-repeat: no-repeat;
  }
</style>

<span class="svg-style-5"></span>

SVG用于CSS背景中，指定颜色

<style type="text/css">
  .svg-style-6 {
    display: inline-block;
    width: 6rem;
    height: 6rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%237952b3' fill-rule='evenodd' d='M4.475 5.458c-.284 0-.514-.237-.47-.517C4.28 3.24 5.576 2 7.825 2c2.25 0 3.767 1.36 3.767 3.215 0 1.344-.665 2.288-1.79 2.973-1.1.659-1.414 1.118-1.414 2.01v.03a.5.5 0 0 1-.5.5h-.77a.5.5 0 0 1-.5-.495l-.003-.2c-.043-1.221.477-2.001 1.645-2.712 1.03-.632 1.397-1.135 1.397-2.028 0-.979-.758-1.698-1.926-1.698-1.009 0-1.71.529-1.938 1.402-.066.254-.278.461-.54.461h-.777ZM7.496 14c.622 0 1.095-.474 1.095-1.09 0-.618-.473-1.092-1.095-1.092-.606 0-1.087.474-1.087 1.091S6.89 14 7.496 14Z'/%3e%3c/svg%3e");
    background-size: 6rem 6rem;
    background-repeat: no-repeat;
  }
</style>

<span class="svg-style-6"></span>
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