Emoji Smiley Checkbox
A face drawn with three spans that goes from a flat mouth to a wide grin when checked, fills with the accent, blinks and wiggles. No emoji font needed, so it renders the same on every OS.
Also known as: emoji checkbox css, smiley face checkbox, happy face toggle css.
HTML
<label class="chk-emoji-smile">
<input type="checkbox">
<span class="chk-emoji-smile-face" aria-hidden="true">
<i class="chk-emoji-smile-eye"></i>
<i class="chk-emoji-smile-eye"></i>
<i class="chk-emoji-smile-mouth"></i>
</span>
<span class="chk-emoji-smile-text">This was helpful</span>
</label>CSS
.chk-emoji-smile {
--c: var(--chk-color, #3b82f6);
font-size: var(--chk-size, 24px);
position: relative;
display: inline-flex;
align-items: center;
gap: 0.6em;
line-height: 1.3;
cursor: pointer;
-webkit-user-select: none;
user-select: none;
-webkit-tap-highlight-color: transparent;
}
.chk-emoji-smile input {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
margin: 0;
opacity: 0;
cursor: pointer;
z-index: 1;
}
.chk-emoji-smile-face {
position: relative;
flex: none;
width: 1.7em;
height: 1.7em;
border: 0.12em solid color-mix(in srgb, currentColor 38%, transparent);
border-radius: 50%;
color: color-mix(in srgb, currentColor 75%, transparent);
transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
.chk-emoji-smile-eye {
position: absolute;
top: 30%;
left: 27%;
width: 0.19em;
height: 0.24em;
border-radius: 50%;
background: currentColor;
}
.chk-emoji-smile-eye + .chk-emoji-smile-eye {
left: auto;
right: 27%;
}
.chk-emoji-smile-mouth {
position: absolute;
left: 50%;
top: 60%;
width: 0.66em;
height: 0.12em;
margin-left: -0.33em;
border-radius: 0.06em;
background: currentColor;
transition: height 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), border-radius 0.35s ease, top 0.35s ease;
}
.chk-emoji-smile-text {
transition: color 0.25s ease;
}
.chk-emoji-smile:hover .chk-emoji-smile-face {
border-color: var(--c);
}
.chk-emoji-smile input:checked + .chk-emoji-smile-face {
background: var(--c);
border-color: var(--c);
color: #fff;
animation: chk-emoji-smile-wiggle 0.6s ease-out;
}
.chk-emoji-smile input:checked + .chk-emoji-smile-face .chk-emoji-smile-eye {
animation: chk-emoji-smile-blink 0.35s ease-in-out 0.25s;
}
.chk-emoji-smile input:checked + .chk-emoji-smile-face .chk-emoji-smile-mouth {
top: 52%;
height: 0.34em;
border-radius: 0.05em 0.05em 0.33em 0.33em;
}
.chk-emoji-smile input:checked ~ .chk-emoji-smile-text {
color: var(--c);
}
.chk-emoji-smile input:focus-visible + .chk-emoji-smile-face {
outline: 0.12em solid var(--c);
outline-offset: 0.18em;
}
@keyframes chk-emoji-smile-wiggle {
0% { transform: rotate(0deg) scale(1); }
30% { transform: rotate(-14deg) scale(1.12); }
60% { transform: rotate(9deg) scale(1.04); }
100% { transform: rotate(0deg) scale(1); }
}
@keyframes chk-emoji-smile-blink {
0%, 100% { transform: scaleY(1); }
50% { transform: scaleY(0.15); }
}
@media (prefers-reduced-motion: reduce) {
.chk-emoji-smile, .chk-emoji-smile *, .chk-emoji-smile::before, .chk-emoji-smile::after, .chk-emoji-smile *::before, .chk-emoji-smile *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}Customizing this snippet
- Color: set
--chk-coloron the element or a parent. Currently previewing#3b82f6. - Size: set
--chk-size. Every other dimension is inem, so the whole thing scales together. Currently previewing24px. - Speed: change the duration on the
transitionoranimationshorthand. Staggered delays are relative, so they keep their rhythm. - Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.