CSS
html, body {
height: 100%;
width: 100%;
margin: 0;
}
body {
display: flex;
align-items: center;
background-image: linear-gradient(to right,
#b8cbb8 0%,
#b8cbb8 0%,
#b465da 0%,
#cf6cc9 33%,
#ee609c 66%,
#ee609c 100%);
}
button {
width: 30px;
height: 20px;
position: relative;
background: none;
border: none;
padding: 0;
display: block;
margin: 0 auto;
cursor: pointer;
outline: none;
}
button span {
width: 100%;
height: 3px;
background: #fff;
display: block;
margin: 0;
border-radius: 100px;
position: relative;
left: -10px;
transition: 0.2s cubic-bezier(1, -0.46, 0, 1.4);
}
button span::before {
content: "";
width: 100%;
height: 3px;
background: #fff;
display: block;
position: absolute;
top: -200%;
border-radius: 100px;
left: 10px;
transition: 0.2s cubic-bezier(1, -0.46, 0, 1.4);
}
button span::after {
content: "";
width: 100%;
height: 3px;
background: #fff;
display: block;
position: absolute;
bottom: -200%;
border-radius: 100px;
right: -5px;
transition: 0.2s cubic-bezier(1, -0.46, 0, 1.4);
}
button:hover span {
left: 5px;
transition: 0.4s cubic-bezier(1, -0.46, 0, 1.4);
}
button:hover span::before {
left: 0;
transition: 0.4s cubic-bezier(1, -0.46, 0, 1.4);
}
button:hover span::after {
right: 0;
transition: 0.4s cubic-bezier(1, -0.46, 0, 1.4);
}
.button-toggled span {
left: 5px;
background: transparent;
top: 5px;
transition: 0.3s cubic-bezier(1, -0.46, 0, 1.4) !important;
}
.button-toggled span::before {
left: 0;
transform-origin: center-left;
transform: rotate(-45deg);
bottom: 5px;
transition: 0.3s cubic-bezier(1, -0.46, 0, 1.4) !important;
}
.button-toggled span::after {
right: 0;
transform-origin: center-right;
transform: rotate(45deg);
top: -5px;
transition: 0.3s cubic-bezier(1, -0.46, 0, 1.4) !important;
}
.button-toggled:hover span {
left: 5px;
}
.button-toggled:hover span::before {
left: 0;
}
.button-toggled:hover span::after {
left: 0;
}
