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authorBradley Taunt <bt@btxx.org>2024-06-10 09:41:25 -0400
committerBradley Taunt <bt@btxx.org>2024-06-10 09:41:25 -0400
commit07e4a2dafe248280b5610f8c7d09b0f30b530f54 (patch)
tree8a145d1d4d07e1278a837ff15dadccc322d27515 /build/posts/easy-custom-radio-inputs
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+<h1 id="easy-custom-radio-inputs">Easy Custom Radio Inputs</h1>
+<p>2019-01-21</p>
+<p>Default radio inputs are notoriously horrible looking and are something designers tend to over-think when trying to customize them. Let&#8217;s walk through how to create custom radio buttons with <em>pure CSS</em>, while still preserving performance and accessibility.</p>
+<h2 id="the-final-product">The Final Product</h2>
+<p>This is what we will be designing:</p>
+<p><img src="/public/images/custom-radio-inputs.png" alt="Custom radio inputs" /></p>
+<p><a href="https://codepen.io/bradleytaunt/pen/oNjwMyX">Live CodePen Example</a></p>
+<hr/>
+<h2 id="the-bones-of-our-radio-inputs-html">The bones of our radio inputs (HTML)</h2>
+<pre><code>&#60;input class="radio-btn" name="radio-collection" id="radio-1" type="radio"&#62;
+&#60;label class="radio-label" for="radio-1"&#62;&#60;span&#62;I am very satisfied&#60;&#47;span&#62;&#60;&#47;label&#62;
+
+&#60;input class="radio-btn" name="radio-collection" id="radio-2" type="radio"&#62;
+&#60;label class="radio-label" for="radio-2"&#62;&#60;span&#62;I am satisfied&#60;&#47;span&#62;&#60;&#47;label&#62;
+
+&#60;input class="radio-btn" name="radio-collection" id="radio-3" type="radio"&#62;
+&#60;label class="radio-label" for="radio-3"&#62;&#60;span&#62;I am indifferent&#60;&#47;span&#62;&#60;&#47;label&#62;
+
+&#60;input class="radio-btn" name="radio-collection" id="radio-4" type="radio"&#62;
+&#60;label class="radio-label" for="radio-4"&#62;&#60;span&#62;I am unsatisfied&#60;&#47;span&#62;&#60;&#47;label&#62;
+
+&#60;input class="radio-btn" name="radio-collection" id="radio-5" type="radio"&#62;
+&#60;label class="radio-label" for="radio-5"&#62;&#60;span&#62;I am very unsatisfied&#60;&#47;span&#62;&#60;&#47;label&#62;
+</code></pre>
+<p>I know it looks like a lot is going on here, but it&#8217;s pretty straightforward so let&#8217;s unpackage line by line:</p>
+<h3 id="radio-inputs">Radio inputs</h3>
+<pre><code>&#60;input class="radio-btn" name="radio-collection" id="radio-1" type="radio"&#62;
+</code></pre>
+<p>This is the default <code>radio</code> input. We give it:</p>
+<ul>
+<li>a <code>name</code> (inputs with a shared <code>name</code> are grouped together)</li>
+<li>an <code>id</code> (so our label can target this input)</li>
+<li>a <code>class</code> (so we can style it later)</li>
+</ul>
+<p><strong>Important</strong>: be sure to have a unique <code>id</code> for each input so your labels don&#8217;t end up connected to multiple radios. In this demo we are simply incrementing them by one.</p>
+<h3 id="labels">Labels</h3>
+<p>Adding the labels is fairly straightforward, we just include the corresponding input&#8217;s <code>id</code> in the label&#8217;s <code>for</code> attribute. The label content is wrapped in a <code>span</code> - which I will explain the reasoning for later.</p>
+<p>For styling purposes we also add the <code>radio-label</code> class.</p>
+<pre><code>&#60;label class="radio-label" for="radio-1"&#62;&#60;span&#62;I am very satisfied&#60;&#47;span&#62;&#60;&#47;label&#62;
+</code></pre>
+<p>This is looking pretty terrible - but that&#8217;s nothing some good ol&#8217; CSS can&#8217;t fix!</p>
+<h2 id="the-flesh-of-our-radio-inputs-css">The flesh of our radio inputs (CSS)</h2>
+<p>First we give some basic styling to our <code>label</code> and <code>input</code> classes (along with hover states). The <code>radio</code> element is actually hidden from view, but by using the <code>visibility</code> attribute we still keep it accessible for screen-readers.</p>
+<pre><code>.radio-label {
+ background: white;
+ border: 1px solid #eee;
+ border-radius: 5px;
+ box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+ cursor: pointer;
+ display: inline-block;
+ font-weight: 600;
+ margin: 0 auto 10px;
+ &#47;* This 65px padding makes room for the custom input *&#47;
+ padding: 20px 20px 20px 65px;
+ position: relative;
+ transition: .3s ease all;
+ width: 100%;
+}
+.radio-label:hover {
+ box-shadow: 0 4px 8px rgba(0,0,0,0.05);
+}
+.radio-btn {
+ position: absolute;
+ visibility: hidden;
+}
+</code></pre>
+<p>Remember that <code>span</code> element inside the label? We set it&#8217;s <code>user-select</code> property to <code>none</code> so we avoid any possible issue with the user selecting the text on-click:</p>
+<pre><code>.radio-label span {
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ user-select: none;
+}
+</code></pre>
+<p>Next we include the default empty selection element (to mimic the original radio input) via a pseudo element:</p>
+<pre><code>.radio-label:before {
+ background: #eee;
+ border-radius: 50%;
+ content:&#39;&#39;;
+ height: 30px;
+ left: 20px;
+ position: absolute;
+ &#47;* Half the height of it&#39;s parent minus half of it&#39;s own height *&#47;
+ top: calc(50% - 15px);
+ transition: .3s ease background-color;
+ width: 30px;
+}
+</code></pre>
+<h2 id="a-few-final-steps">A Few Final Steps</h2>
+<p>The final step is adding the custom styling for when an <code>input</code> item is selected (<code>:checked</code>).</p>
+<p>You will notice the use of a <code>base64</code> element for the custom checkmark - feel free to subsitute this for an actual image or none at all (this is just my personal design preference).</p>
+<pre><code>.radio-btn:checked + .radio-label {
+ background: #ECF5FF;
+ border-color: #4A90E2;
+}
+.radio-btn:checked + .radio-label:before {
+ background-color: #4A90E2;
+ background-image: url(&#39;data:image&#47;svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48c3ZnIHdpZHRoPSIyNiIgaGVpZ2h0PSIyMCIgdmVyc2lvbj0iMS4xIiB2aWV3Qm94PSIyLjAyOTY4IC00MC4wOTAzIDI2IDIwIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIj48IS0tR2VuZXJhdGVkIGJ5IElKU1ZHIChodHRwczovL2dpdGh1Yi5jb20vaWNvbmphci9JSlNWRyktLT48cGF0aCBkPSJNMjcuOTc0MywtMzYuMTI3MmMwLDAuNDQ2NDI4IC0wLjE1NjI1LDAuODI1ODkzIC0wLjQ2ODc1LDEuMTM4MzlsLTEyLjEyMDUsMTIuMTIwNWwtMi4yNzY3OSwyLjI3Njc5Yy0wLjMxMjUsMC4zMTI1IC0wLjY5MTk2NCwwLjQ2ODc1IC0xLjEzODM5LDAuNDY4NzVjLTAuNDQ2NDI4LDAgLTAuODI1ODkzLC0wLjE1NjI1IC0xLjEzODM5LC0wLjQ2ODc1bC0yLjI3Njc5LC0yLjI3Njc5bC02LjA2MDI3LC02LjA2MDI3Yy0wLjMxMjUsLTAuMzEyNSAtMC40Njg3NSwtMC42OTE5NjUgLTAuNDY4NzUsLTEuMTM4MzljMCwtMC40NDY0MjkgMC4xNTYyNSwtMC44MjU4OTMgMC40Njg3NSwtMS4xMzgzOWwyLjI3Njc5LC0yLjI3Njc5YzAuMzEyNSwtMC4zMTI1IDAuNjkxOTY1LC0wLjQ2ODc1IDEuMTM4MzksLTAuNDY4NzVjMC40NDY0MjksMCAwLjgyNTg5MywwLjE1NjI1IDEuMTM4MzksMC40Njg3NWw0LjkyMTg4LDQuOTM4NjJsMTAuOTgyMSwtMTAuOTk4OWMwLjMxMjUsLTAuMzEyNSAwLjY5MTk2NCwtMC40Njg3NSAxLjEzODM5LC0wLjQ2ODc1YzAuNDQ2NDI4LDAgMC44MjU4OTMsMC4xNTYyNSAxLjEzODM5LDAuNDY4NzVsMi4yNzY3OCwyLjI3Njc5YzAuMzEyNSwwLjMxMjUgMC40Njg3NSwwLjY5MTk2NCAwLjQ2ODc1LDEuMTM4MzlaIiB0cmFuc2Zvcm09InNjYWxlKDEuMDAxOTgpIiBmaWxsPSIjZmZmIj48L3BhdGg+PC9zdmc+&#39;);
+ background-repeat: no-repeat;
+ background-position: center;
+ background-size: 15px;
+}
+</code></pre>
+<p><strong>And that&#8217;s it.</strong></p>
+<p>For easier reference the entire CSS file can be found below:</p>
+<pre><code>.radio-label {
+ background: white;
+ border: 1px solid #eee;
+ border-radius: 5px;
+ box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+ cursor: pointer;
+ display: inline-block;
+ font-weight: 600;
+ margin: 0 auto 10px;
+ padding: 20px 20px 20px 65px;
+ position: relative;
+ transition: .3s ease all;
+ width: 100%;
+}
+.radio-label:hover {
+ box-shadow: 0 4px 8px rgba(0,0,0,0.05);
+}
+.radio-label:before {
+ background: #eee;
+ border-radius: 50%;
+ content:&#39;&#39;;
+ height: 30px;
+ left: 20px;
+ position: absolute;
+ top: calc(50% - 15px);
+ transition: .3s ease background-color;
+ width: 30px;
+}
+.radio-label span {
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ user-select: none;
+}
+.radio-btn {
+ position: absolute;
+ visibility: hidden;
+}
+.radio-btn:checked + .radio-label {
+ background: #ECF5FF;
+ border-color: #4A90E2;
+}
+.radio-btn:checked + .radio-label:before {
+ background-color: #4A90E2;
+ background-image: url(&#39;data:image&#47;svg+xml;base64,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&#39;);
+ background-repeat: no-repeat;
+ background-position: center;
+ background-size: 15px;
+}
+</code></pre>
+<hr/>
+<h2 id="but-wait---we-can-get-even-fancier">But wait - we can get even fancier!</h2>
+<p>Since this demo is based off a survey-type questionaire, wouldn&#8217;t it be interesting to give the different selectable options their own styling based on their context? Take a look at the further customized version below:</p>
+<p>We can do so by adding <code>positive</code>, <code>neutral</code> and <code>negative</code> class names to the radio inputs with their own respective properties:</p>
+<pre><code>.radio-btn.positive:checked + .radio-label {
+ background: #EAFFF6;
+ border-color: #32B67A;
+}
+.radio-btn.positive:checked + .radio-label:before {
+ background-color: #32B67A;
+}
+.radio-btn.neutral:checked + .radio-label:before {
+ background-image: url(&#39;data:image&#47;svg+xml;base64,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&#39;);
+}
+.radio-btn.negative:checked + .radio-label {
+ background: #FFF2F2;
+ border-color: #E75153;
+}
+.radio-btn.negative:checked + .radio-label:before {
+ background-color: #E75153;
+ background-image: url(&#39;data:image&#47;svg+xml;base64,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&#39;);
+}
+</code></pre>
+<p>I hope this shows new designers that simple custom radio inputs aren&#8217;t so hard to implement after-all and can actually be pretty fun to design.</p>
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