我的意思是,单选按钮本身由一个圆形和中心的一个点组成(当按钮被选中时)。我想改变的是两者的颜色。使用CSS可以做到这一点吗?
当前回答
简单的方法是使用重音色
CSS属性的作用是:为某些元素生成的用户界面控件设置强调色
支持重音颜色的浏览器目前将其应用于以下HTML元素:
<input type="checkbox">
<input type="radio">
<input type="range">
<progress>
一个可运行的示例
body { display: grid; padding: 3rem 0; } .accent { accent-color: #30cc7e; } form { display: grid; grid-auto-columns: fit-content(50%); grid-template-areas: "a a"; margin: auto; padding: 0; gap: 1rem; } form { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin: auto; } form section:first-child { color-scheme: light; } form section:last-child { color-scheme: dark; } fieldset { border-radius: 8px; color-scheme: light; display: flex; flex: 1; flex-direction: column; gap: 1rem; padding: 1rem; } .dark { color-scheme: dark; } .dark fieldset { background: #100f33; border-color: #100f33; color: #fff; } .dark .accent { accent-color: hsla(180, 100%, 70%, 1); } h2 { margin: 0; } .notice { background: #fff9c4; border-radius: 6px; margin: 1.5rem auto; padding: 0.5rem; text-align: center; } @supports (accent-color: #fff) { .notice { display: none; } } <div class="notice"> Your browser does not support the <code>accent-color</code> property. </div> <form action=""> <fieldset> <h2>Checkboxes</h2> <div> <label for="checkbox"> Default </label> <input id="checkbox" type="checkbox" checked> </div> <div> <label for="checkbox-accent"> Accent </label> <input id="checkbox-accent" type="checkbox" class="accent" checked> </div> </fieldset> <fieldset> <h2>Radio</h2> <div> <input id="radio" type="radio" checked> <label for="radio"> Default </label> </div> <div> <input id="radio-accent" type="radio" class="accent" checked> <label for="radio-accent"> Accent </label> </div> </fieldset> <fieldset> <h2>Progress</h2> <div> <label for="progress"> Default </label> <progress id="progress" min="0" max="100" value="50"></progress> </div> <div> <label for="progress-accent"> Accent </label> <progress id="progress-accent" class="accent" min="0" max="100" value="50"></progress> </div> </fieldset> <fieldset> <h2>Range</h2> <div> <label for="range"> Default </label> <input id="range" type="range"> </div> <div> <label for="range-accent"> Accent </label> <input id="range-accent" class="accent" type="range"> </div> </fieldset> </form>
其他回答
一个快速的解决方法是使用:after覆盖单选按钮输入样式,但是创建自己的自定义工具包可能是一个更好的实践。
input[type='radio']:after { width: 15px; height: 15px; border-radius: 15px; top: -2px; left: -1px; position: relative; background-color: #d1d3d1; content: ''; display: inline-block; visibility: visible; border: 2px solid white; } input[type='radio']:checked:after { width: 15px; height: 15px; border-radius: 15px; top: -2px; left: -1px; position: relative; background-color: #ffa500; content: ''; display: inline-block; visibility: visible; border: 2px solid white; } <input type='radio' name="gender"/> <input type='radio' name="gender"/>
一个简单的修复方法是使用以下CSS属性。
input[type=radio]:checked{
background: \*colour*\;
border-radius: 15px;
border: 4px solid #dfdfdf;
}
您可以通过两种纯CSS方式实现自定义单选按钮
Via removing standard appearance using CSS appearance and applying custom appearance. Unfortunately this was doesn't work in IE. Demo: input[type="radio"] { /* remove standard background appearance */ -webkit-appearance: none; -moz-appearance: none; appearance: none; /* create custom radiobutton appearance */ display: inline-block; width: 25px; height: 25px; padding: 6px; /* background-color only for content */ background-clip: content-box; border: 2px solid #bbbbbb; background-color: #e7e6e7; border-radius: 50%; } /* appearance for checked radiobutton */ input[type="radio"]:checked { background-color: #93e026; } /* optional styles, I'm using this for centering radiobuttons */ .flex { display: flex; align-items: center; } <div class="flex"> <input type="radio" name="radio" id="radio1" /> <label for="radio1">RadioButton1</label> </div> <div class="flex"> <input type="radio" name="radio" id="radio2" /> <label for="radio2">RadioButton2</label> </div> <div class="flex"> <input type="radio" name="radio" id="radio3" /> <label for="radio3">RadioButton3</label> </div> Via hiding radiobutton and setting custom radiobutton appearance to label's pseudoselector. By the way no need for absolute positioning here (I see absolute positioning in most demos). Demo: *, *:before, *:after { box-sizing: border-box; } input[type="radio"] { display: none; } input[type="radio"]+label:before { content: ""; /* create custom radiobutton appearance */ display: inline-block; width: 25px; height: 25px; padding: 6px; margin-right: 3px; /* background-color only for content */ background-clip: content-box; border: 2px solid #bbbbbb; background-color: #e7e6e7; border-radius: 50%; } /* appearance for checked radiobutton */ input[type="radio"]:checked + label:before { background-color: #93e026; } /* optional styles, I'm using this for centering radiobuttons */ label { display: flex; align-items: center; } <input type="radio" name="radio" id="radio1" /> <label for="radio1">RadioButton1</label> <input type="radio" name="radio" id="radio2" /> <label for="radio2">RadioButton2</label> <input type="radio" name="radio" id="radio3" /> <label for="radio3">RadioButton3</label>
我构建了@klewis的代码样本的另一个分支,通过使用:before/:after伪元素和隐藏的单选输入按钮来演示纯css和渐变。
HTML:
sample radio buttons:
<div style="background:lightgrey;">
<span class="radio-item">
<input type="radio" id="ritema" name="ritem" class="true" value="ropt1" checked="checked">
<label for="ritema">True</label>
</span>
<span class="radio-item">
<input type="radio" id="ritemb" name="ritem" class="false" value="ropt2">
<label for="ritemb">False</label>
</span>
</div>
:
CSS:
.radio-item input[type='radio'] {
visibility: hidden;
width: 20px;
height: 20px;
margin: 0 5px 0 5px;
padding: 0;
}
.radio-item input[type=radio]:before {
position: relative;
margin: 4px -25px -4px 0;
display: inline-block;
visibility: visible;
width: 20px;
height: 20px;
border-radius: 10px;
border: 2px inset rgba(150,150,150,0.75);
background: radial-gradient(ellipse at top left, rgb(255,255,255) 0%, rgb(250,250,250) 5%, rgb(230,230,230) 95%, rgb(225,225,225) 100%);
content: "";
}
.radio-item input[type=radio]:checked:after {
position: relative;
top: 0;
left: 9px;
display: inline-block;
visibility: visible;
border-radius: 6px;
width: 12px;
height: 12px;
background: radial-gradient(ellipse at top left, rgb(245,255,200) 0%, rgb(225,250,100) 5%, rgb(75,175,0) 95%, rgb(25,100,0) 100%);
content: "";
}
.radio-item input[type=radio].true:checked:after {
background: radial-gradient(ellipse at top left, rgb(245,255,200) 0%, rgb(225,250,100) 5%, rgb(75,175,0) 95%, rgb(25,100,0) 100%);
}
.radio-item input[type=radio].false:checked:after {
background: radial-gradient(ellipse at top left, rgb(255,225,200) 0%, rgb(250,200,150) 5%, rgb(200,25,0) 95%, rgb(100,25,0) 100%);
}
.radio-item label {
display: inline-block;
height: 25px;
line-height: 25px;
margin: 0;
padding: 0;
}
预览: https://www.codeply.com/p/y47T4ylfib
对于我的使用,我想做的只是改变颜色,没有其他,所以我已经从@klewis的答案,并将其更改为…
使收音机与浏览器默认(在我的情况下是Chrome)相同,使用相对%和em而不是固定的px。注意:em基于输入[type=radio]的字体大小,这可以被继承。可能需要对下面的值进行调整。 保留原始单选按钮的辅助功能(如聚焦时的轮廓),不使用display: none;并将:before和:after应用于原收音机而不是标签。
/* make default radio 'invisible' */ input[type=radio] { -webkit-appearance: none; -moz-appearance: none; appearance: none; } /* make new radio outer circle */ input[type=radio]:before { content: " "; display: inline-block; position: relative; width: 0.8em; height: 0.8em; border-radius: 50%; border: 1px solid grey; background-color: transparent; } /* change colour of radio outer circle when checked */ input[type=radio]:checked:before { border-color: green; } /* make new radio inner circle when checked */ input[type=radio]:checked:after { content: " "; display: block; position: absolute; width: 0.55em; height: 0.55em; border-radius: 50%; top: 0.4em; left: 0.13em; background: green; }
`
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