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Use CSS3 to beautify the display style of radio and check buttons

高洛峰Original: 2017-02-11 13:49:311380browse

As we all know, the native style of the first element in the form is not very good-looking and needs to be optimized when used in projects. The following article mainly introduces how to use CSS3 to beautify the display style of radio selection and check buttons. Friends who need it You can use it as a reference, let’s take a look below.

Preface

I believe everyone knows that in form elements, radio buttons and check buttons have selected and unselected states. It is difficult to override the default styles of these two buttons. In CSS3, we can implement custom styles through the status selector ":checked" and other tags. Using CSS3, we can create a very personalized user form. The effect achieved in this article is very good. Friends who are interested can come and learn together.

The rendering is as follows

Use CSS3 to beautify the display style of radio and check buttons

##Example code

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>复选单选样式</title>
    <link rel="stylesheet" href="style.css">
</head>
<style>
    form {
      border: 1px solid #ccc;
      padding: 20px;
      width: 300px;
    }
    .wrapper {
      margin-bottom: 10px;
    }
    /*复选框*/
    .checkbox-box {
      display: inline-block;
      width: 20px;
      height: 20px;
      margin-right: 10px;
      position: relative;
      border: 2px solid orange;
      vertical-align: middle;
    }
    .checkbox-box input {
      opacity: 0;
      position: absolute;
      top:0;
      left:0;
      z-index:10;
    }
    .checkbox-box span {
      position: absolute;
      top: -10px;
      right: 3px;
      font-size: 30px;
      font-weight: bold;
      font-family: Arial;
      -webkit-transform: rotate(30deg);
      transform: rotate(30deg);
      color: orange;
    } 
    .checkbox-box input[type="checkbox"] + span {
      opacity:0;
    }
    .checkbox-box input[type="checkbox"]:checked + span {
      opacity: 1;
    }

    /*单选框*/
    .redio-box {
      display: inline-block;
      width: 30px;
      height: 30px;
      margin-right: 10px;
      position: relative;
      background: orange;
      vertical-align: middle;
      border-radius: 100%;
    }
    .redio-box input {
      opacity: 0;
      position: absolute;
      top:0;
      left:0;
      width: 100%;
      height:100%;
      z-index:100;/*使input按钮在span的上一层，不加点击区域会出现不灵敏*/
    }
    .redio-box span { 
      display: block;
      width: 10px;
      height: 10px;
      border-radius: 100%;
      position: absolute;
      background: #fff;
      top: 50%;
      left:50%;
      margin: -5px 0  0 -5px;
      z-index:1;
    }
    .redio-box input[type="radio"] + span {
      opacity: 0;
    }
    .redio-box input[type="radio"]:checked + span {
      opacity: 1;
    }
</style>
<body>
<h2>复选框：</h2>
<form action="#">

  <p class="wrapper">
    <p class="checkbox-box">
      <input name="1" type="checkbox" checked id="usename" />
      <span>√</span>
    </p>
    <label for="usename">体育</label>
  </p>
  
  <p class="wrapper">
    <p class="checkbox-box">
      <input name="1" type="checkbox"  id="usepwd" />
      <span>√</span>
    </p>
    <label for="usepwd">音乐</label>
  </p>

  <p class="wrapper">
    <p class="checkbox-box">
      <input name="1" type="checkbox"  id="checkbox3" />
      <span>√</span>
    </p>
    <label for="checkbox3">读书</label>
  </p>
  
  <p class="wrapper">
    <p class="checkbox-box">
      <input name="1" type="checkbox"   id="checkbox4" />
      <span>√</span>
    </p>
    <label for="checkbox4">运动</label>
  </p>

</form> 


<h2>单选框</h2>
<form action="#">
  <p class="wrapper">
    <p class="redio-box">
      <input type="radio" checked="checked"  id="boy" name="1" /><span></span>
    </p>
    <label for="boy">男</label>
  </p>
  
  <p class="wrapper">
    <p class="redio-box">
      <input type="radio"  id="girl" name="1" /><span></span>
    </p>
    <label for="girl">女</label>
  </p>
</form> 

</body>
</html>

Note:

+ is the adjacent selector of css .

There are only four relationship selectors, which are spaces > + ~ (including selectors, sub-selectors, adjacent selectors, and sibling selectors)

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