Light/Dark Toggle With Morphing Icon | Light Dark Mode With Only Html Css
Welcome🎉 to Code With Random blog. In this blog, we learn how to create a Light Dark Mode. We use HTML & CSS for Light Dark Mode. Hope you enjoy our blog so let’s start with a basic HTML structure for the Light Dark Mode.
HTML code
<label for="theme" class="theme">
<span>Light</span>
<span class="theme__toggle-wrap">
<input id="theme" class="theme__toggle" type="checkbox" role="switch" name="theme" value="dark">
<span class="theme__fill"></span>
<span class="theme__icon">
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
<span class="theme__icon-part"></span>
</span>
</span>
<span>Dark</span>
</label>
There is all HTML code for the Light Dark Mode. Now, you can see output without CSS, then we write CSS for the Light Dark Mode.
Output
CSS code
* {
border: 0;
box-sizing: border-box;
margin: 0;
padding: 0;
}
:root {
--hue: 223;
--bg: hsl(var(--hue),10%,100%);
--fg: hsl(var(--hue),10%,0%);
--primary: hsl(var(--hue),90%,55%);
--primaryT: hsla(var(--hue),90%,55%,0);
--transDur: 0.3s;
font-size: calc(16px + (32 - 16) * (100vw - 320px) / (1280 - 320));
}
html,
body {
background-color: var(--bg);
}
body,
input {
font: 1em/1.5 Fredoka, sans-serif;
}
body {
color: var(--fg);
height: 100vh;
display: grid;
place-items: center;
}
/* Default */
.theme {
display: flex;
align-items: center;
-webkit-tap-highlight-color: transparent;
}
.theme__fill,
.theme__icon {
transition: transform var(--transDur) ease-in-out;
}
.theme__fill {
background-color: var(--bg);
display: block;
mix-blend-mode: difference;
position: fixed;
inset: 0;
height: 100%;
transform: translateX(-100%);
}
.theme__icon,
.theme__toggle {
z-index: 1;
}
.theme__icon,
.theme__icon-part {
position: absolute;
}
.theme__icon {
display: block;
top: 0.75em;
left: 0.75em;
width: 1.5em;
height: 1.5em;
}
.theme__icon-part {
border-radius: 50%;
box-shadow: 0.4em -0.4em 0 0.5em hsl(0,0%,100%) inset;
top: calc(50% - 0.5em);
left: calc(50% - 0.5em);
width: 1em;
height: 1em;
transition:
box-shadow var(--transDur) ease-in-out,
opacity var(--transDur) ease-in-out,
transform var(--transDur) ease-in-out;
transform: scale(0.5);
}
.theme__icon-part ~ .theme__icon-part {
background-color: hsl(0,0%,100%);
border-radius: 0.05em;
box-shadow: none;
top: 50%;
left: calc(50% - 0.05em);
transform: rotate(0deg) translateY(0.5em);
transform-origin: 50% 0;
width: 0.1em;
height: 0.2em;
}
.theme__icon-part:nth-child(3) {
transform: rotate(45deg) translateY(0.5em);
}
.theme__icon-part:nth-child(4) {
transform: rotate(90deg) translateY(0.5em);
}
.theme__icon-part:nth-child(5) {
transform: rotate(135deg) translateY(0.5em);
}
.theme__icon-part:nth-child(6) {
transform: rotate(180deg) translateY(0.5em);
}
.theme__icon-part:nth-child(7) {
transform: rotate(225deg) translateY(0.5em);
}
.theme__icon-part:nth-child(8) {
transform: rotate(270deg) translateY(0.5em);
}
.theme__icon-part:nth-child(9) {
transform: rotate(315deg) translateY(0.5em);
}
.theme__label,
.theme__toggle,
.theme__toggle-wrap {
position: relative;
}
.theme__toggle,
.theme__toggle:before {
display: block;
}
.theme__toggle {
background-color: hsl(48,90%,85%);
border-radius: 25% / 50%;
box-shadow: 0 0 0 0.125em var(--primaryT);
padding: 0.25em;
width: 6em;
height: 3em;
-webkit-appearance: none;
appearance: none;
transition:
background-color var(--transDur) ease-in-out,
box-shadow 0.15s ease-in-out,
transform var(--transDur) ease-in-out;
}
.theme__toggle:before {
background-color: hsl(48,90%,55%);
border-radius: 50%;
content: "";
width: 2.5em;
height: 2.5em;
transition:
background-color var(--transDur) ease-in-out,
transform var(--transDur) ease-in-out;
}
.theme__toggle:focus {
box-shadow: 0 0 0 0.125em var(--primary);
outline: transparent;
}
/* Checked */
.theme__toggle:checked {
background-color: hsl(198,90%,15%);
}
.theme__toggle:checked:before,
.theme__toggle:checked ~ .theme__icon {
transform: translateX(3em);
}
.theme__toggle:checked:before {
background-color: hsl(198,90%,55%);
}
.theme__toggle:checked ~ .theme__fill {
transform: translateX(0);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(1) {
box-shadow: 0.2em -0.2em 0 0.2em hsl(0,0%,100%) inset;
transform: scale(1);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part ~ .theme__icon-part {
opacity: 0;
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(2) {
transform: rotate(45deg) translateY(0.8em);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(3) {
transform: rotate(90deg) translateY(0.8em);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(4) {
transform: rotate(135deg) translateY(0.8em);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(5) {
transform: rotate(180deg) translateY(0.8em);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(6) {
transform: rotate(225deg) translateY(0.8em);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(7) {
transform: rotate(270deg) translateY(0.8em);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(8) {
transform: rotate(315deg) translateY(0.8em);
}
.theme__toggle:checked ~ .theme__icon .theme__icon-part:nth-child(9) {
transform: rotate(360deg) translateY(0.8em);
}
.theme__toggle-wrap {
margin: 0 0.75em;
}
@supports selector(:focus-visible) {
.theme__toggle:focus {
box-shadow: 0 0 0 0.125em var(--primaryT);
}
.theme__toggle:focus-visible {
box-shadow: 0 0 0 0.125em var(--primary);
}
}
We have completed our CSS section, Here is our final updated output CSS.
Final Output
