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html - 单击 HTML/CSS 时，单选按钮不会更改背景颜色

问题描述

当我单击另一个单选按钮时，我想将单选按钮的背景颜色更改为橙​​色，因为它会将颜色从白色变为橙色

在此处输入图像描述

代码片段：

<!DOCTYPE html>
<html>
<head>
<style>
input [type="radio"]:checked,
input [type="radio"]:not(:checked) {
    position: absolute;
    left: -9999px;
}
input [type="radio"]:checked + label,
input [type="radio"]:not(:checked) + label {
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    line-height: 20px;
    display: inline-block;
    color: #666;
}
input [type="radio"]:checked + label:before,
input [type="radio"]:not(:checked) + label:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    border: 1px solid #ddd;
    border-radius: 100%;
    background: white;
}
input [type="radio"]:checked + label:after,
input [type="radio"]:not(:checked) + label:after {
    content: '';
    width: 12px;
    height: 12px;
    background: orange;
    position: absolute;
    top: 4px;
    left: 4px;
    border-radius: 100%;
    -webkit-transition: all 0.2s ease;
    transition: all 0.2s ease;
 }
 input [type="radio"]:not(:checked) + label:after {
    opacity: 0;
    -webkit-transform: scale(0);
    transform: scale(0);
 }
 input [type="radio"]:checked + label:after {
     opacity: 1;
     -webkit-transform: scale(1);
     transform: scale(1);
 }
 </style>
 </head>
 <body>
    <div class="radio-1">
        <input type="radio" class="radio-buttons" id="male" name="gender" value="male">
        <label name="gender">Male</label>
    </div>
    <div class="radio-2">
        <input type="radio" class="radio-buttons" id="female" name="gender" value="female">
        <label name="gender">Female</label>
    </div>
</body>
</html>

代码没有按预期工作。

请告诉我如何改进此代码以更改单选按钮背景颜色。

任何帮助都会很棒！谢谢！

标签： htmlcss

解决方案

您需要在 css 选择器中输入后删除空格，以便浏览器可以在 dom 中选择正确的元素，还需要为各个单选按钮的标签添加 for="" 属性，这样当您单击标签时，它会更改相应的单选按钮，其余的代码都是完美的！

<!DOCTYPE html>
<html>
<head>
<style>
input[type="radio"]:checked,
input[type="radio"]:not(:checked) {
    position: absolute;
    left: -9999px;
}
input[type="radio"]:checked + label,
input[type="radio"]:not(:checked) + label {
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    line-height: 20px;
    display: inline-block;
    color: #666;
}
input[type="radio"]:checked + label:before,
input[type="radio"]:not(:checked) + label:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    border: 1px solid #ddd;
    border-radius: 100%;
    background: white;
}
input[type="radio"]:checked + label:after,
input[type="radio"]:not(:checked) + label:after {
    content: '';
    width: 12px;
    height: 12px;
    background: orange;
    position: absolute;
    top: 4px;
    left: 4px;
    border-radius: 100%;
    -webkit-transition: all 0.2s ease;
    transition: all 0.2s ease;
 }
 input[type="radio"]:not(:checked) + label:after {
    opacity: 0;
    -webkit-transform: scale(0);
    transform: scale(0);
 }
 input[type="radio"]:checked + label:after {
     opacity: 1;
     -webkit-transform: scale(1);
     transform: scale(1);
 }
 </style>
 </head>
 <body>
    <div class="radio-1">
        <input type="radio" class="radio-buttons" id="male" name="gender" value="male">
        <label name="gender" for="male">Male</label>
    </div>
    <div class="radio-2">
        <input type="radio" class="radio-buttons" id="female" name="gender" value="female">
        <label name="gender" for="female">Female</label>
    </div>
</body>
</html>

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