<button class="favorite-button">
<div class="icon">
<div class="star"></div>
</div>
<span>Favorite</span>
</button>
<!-- dribbble - twitter -->
<a class="dribbble" href="https://dribbble.com/ai" target="_blank"><img src="https://cdn.dribbble.com/assets/dribbble-ball-mark-2bd45f09c2fb58dbbfb44766d5d1d07c5a12972d602ef8b32204d28fa3dda554.svg" alt=""></a>
<a class="twitter" target="_blank" href="https://twitter.com/aaroniker_me"><svg xmlns="http://www.w3.org/2000/svg" width="72" height="72" viewBox="0 0 72 72"><path d="M67.812 16.141a26.246 26.246 0 0 1-7.519 2.06 13.134 13.134 0 0 0 5.756-7.244 26.127 26.127 0 0 1-8.313 3.176A13.075 13.075 0 0 0 48.182 10c-7.229 0-13.092 5.861-13.092 13.093 0 1.026.118 2.021.338 2.981-10.885-.548-20.528-5.757-26.987-13.679a13.048 13.048 0 0 0-1.771 6.581c0 4.542 2.312 8.551 5.824 10.898a13.048 13.048 0 0 1-5.93-1.638c-.002.055-.002.11-.002.162 0 6.345 4.513 11.638 10.504 12.84a13.177 13.177 0 0 1-3.449.457c-.846 0-1.667-.078-2.465-.231 1.667 5.2 6.499 8.986 12.23 9.09a26.276 26.276 0 0 1-16.26 5.606A26.21 26.21 0 0 1 4 55.976a37.036 37.036 0 0 0 20.067 5.882c24.083 0 37.251-19.949 37.251-37.249 0-.566-.014-1.134-.039-1.694a26.597 26.597 0 0 0 6.533-6.774z"></path></svg></a>
.favorite-button {
--background-default: #313440;
--text-color-default: #FAFBFF;
--star-color-default: #62677C;
--star-face-color-default: #1F2128;
--star-color-active: #F6C206;
--star-face-color-active: #845901;
--star-hole: #16181E;
--star-hole-inner: #20232C;
--button-y: 0px;
--star-y: 0px;
--star-scale: 1;
--star-rotate: 0deg;
--star-hole-scale: 0;
--star-face-scale: 1;
--text-x: 0px;
--text-o: 1;
-webkit-tap-highlight-color: transparent;
-webkit-appearance: none;
outline: none;
border: none;
background: none;
min-width: 125px;
padding: 12px 24px 12px 16px;
margin: 0;
font-family: inherit;
font-size: 14px;
font-weight: 500;
line-height: 19px;
display: flex;
align-items: center;
cursor: pointer;
position: relative;
color: var(--text-color-default);
transform: translateY(var(--button-y)) translateZ(0);
&:before {
content: '';
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
border-radius: 9px;
transition: transform .2s;
transform: scale(var(--background-scale-x, 1), var(--background-scale-y, 1)) translateZ(0);
background: var(--background-default);
}
&:active {
--background-scale-x: .98;
--background-scale-y: .96;
}
span {
display: block;
opacity: var(--text-o);
transform: translateX(var(--text-x));
}
.icon {
width: 36px;
height: 119px;
display: flex;
pointer-events: none;
position: relative;
clip-path: ellipse(150% 50% at 50% 50%);
margin: -100px 2px 0 -8px;
&:before {
content: '';
margin-top: auto;
display: block;
width: 36px;
height: 12px;
background: var(--star-hole);
box-shadow: inset 0 3px 0 0 var(--star-hole-inner);
border-radius: 100px / 30px;
transform: scale(var(--star-hole-scale));
transform-origin: 50% 100%;
}
.star {
width: 20px;
height: 19px;
position: absolute;
left: 8px;
bottom: 0;
transform: translateY(var(--star-y)) rotate(var(--star-rotate)) scale(var(--star-scale));
border-radius: var(--star-radius, 0px);
background: var(--star-color, var(--star-color-default));
clip-path: var(--star-clip, polygon(10px 0, 13px 6px, 20px 7px, 15px 12px, 16px 19px, 10px 15px, 4px 19px, 5px 12px, 0 7px, 7px 6px));
transition: clip-path .2s, border-radius .2s, background .2s;
&:before,
&:after {
content: '';
position: absolute;
background: var(--star-face-color, var(--star-face-color-default));
transition: background .2s, box-shadow .2s;
}
&:before {
width: 2px;
height: 2px;
border-radius: 50%;
left: 7px;
top: 8px;
box-shadow: 4px 0 0 0 var(--star-face-color, var(--star-face-color-default));
transform: scaleY(var(--star-face-scale));
}
&:after {
width: 4px;
height: 2px;
border-radius: var(--star-face-radius, 2px 2px 0 0);
left: 8px;
top: 11px;
transition: border-radius .2s;
}
}
}
&.star-round {
--star-clip: polygon(10px 0, 20px 0, 20px 7px, 20px 12px, 20px 19px, 10px 19px, 0 19px, 0 12px, 0 7px, 0 0);
--star-radius: 50%;
}
&.active {
--star-color: var(--star-color-active);
--star-face-color: var(--star-face-color-active);
--star-face-radius: 0 0 2px 2px;
}
}
html {
box-sizing: border-box;
-webkit-font-smoothing: antialiased;
}
* {
box-sizing: inherit;
&:before,
&:after {
box-sizing: inherit;
}
}
// Center & dribbble
body {
min-height: 100vh;
display: flex;
font-family: 'Inter', Arial;
justify-content: center;
align-items: center;
background: #F6F8FF;
.dribbble {
position: fixed;
display: block;
right: 20px;
bottom: 20px;
img {
display: block;
height: 28px;
}
}
.twitter {
position: fixed;
display: block;
right: 64px;
bottom: 14px;
svg {
width: 32px;
height: 32px;
fill: #1da1f2;
}
}
}
View Compiled
document.querySelectorAll('.favorite-button').forEach(button => {
button.addEventListener('click', e => {
e.preventDefault()
if(button.classList.contains('animated')) {
return
}
button.classList.add('animated')
gsap.to(button, {
keyframes: [{
'--star-y': '-36px',
duration: .3,
ease: 'power2.out'
}, {
'--star-y': '48px',
'--star-scale': .4,
duration: .325,
onStart() {
button.classList.add('star-round')
}
}, {
'--star-y': '-64px',
'--star-scale': 1,
duration: .45,
ease: 'power2.out',
onStart() {
button.classList.toggle('active')
setTimeout(() => button.classList.remove('star-round'), 100)
}
}, {
'--star-y': '0px',
duration: .45,
ease: 'power2.in'
}, {
'--button-y': '3px',
duration: .11
}, {
'--button-y': '0px',
'--star-face-scale': .65,
duration: .125
}, {
'--star-face-scale': 1,
duration: .15
}],
clearProps: true,
onComplete() {
button.classList.remove('animated')
}
})
gsap.to(button, {
keyframes: [{
'--star-hole-scale': .8,
duration: .5,
ease: 'elastic.out(1, .75)'
}, {
'--star-hole-scale': 0,
duration: .2,
delay: .2
}]
})
gsap.to(button, {
'--star-rotate': '360deg',
duration: 1.55,
clearProps: true
})
})
})
