HTMLify

body {
    background: #151515;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
    z-index: -1;
    display: grid;
    place-items: center;
    height: 100vh;
}

.wrapper {
    display: flex;
    gap: 1.5rem;
}

.icon {
    cursor: pointer;
    position: relative;
    display: flex;
    width: 60px;
    height: 60px;
    border-radius: 30px;
    overflow: hidden;
    text-decoration: none;
}

.icon::before,
.icon::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    transition: all 0.50s ease;
    border-radius: 30px;
}

.icon i {
    position: relative;
    color: #FFFFFF;
    font-size: 23px;
    margin: auto;
    transition: all 0.25s ease;
}

.icon-fill::before {
    transition-duration: 0.5s;
    box-shadow: inset 0 0 0 1px #16A085;
}

.icon-fill:hover::before {
    box-shadow: inset 0 0 0 60px #16A085;
}

.icon-enter::after {
    box-shadow: inset 0 0 0 1px #EB9532;
}

.icon-enter::before {
    border-radius: 0;
    margin-left: -100%;
    box-shadow: inset 0 0 0 60px #EB9532;
}

.icon-enter:hover::before {
    margin-left: 0;
}

.icon-expand::after {
    box-shadow: inset 0 0 0 1px #C82647;
}

.icon-expand::before {
    background: #C82647;
    box-shadow: inset 0 0 0 60px #151515;
}

.icon-expand:hover::before {
    box-shadow: inset 0 0 0 1px #151515;
}

.icon-collapse::before {
    border-radius: 0;
}

.icon-collapse:hover::before {
    box-shadow: inset 0 30px 0 0 #8CC63F, inset 0 -30px 0 0 #8CC63F;
}

.icon-collapse::after {
    box-shadow: inset 0 0 0 1px #8CC63F;
}

.icon-rotate {
    box-shadow: inset 0 0 0 1px #7E3661;
}

.icon-rotate::after,
.icon-rotate::before {
    border: 0px solid transparent;
}

.icon-rotate:hover::before {
    transition: border-top-width 0.3s ease, border-top-color 0.3s ease;
    border-width: 60px;
    border-top-color: #7E3661;
}

.icon-rotate:hover::after {
    transition: border-left-width 0.3s ease, border-left-color 0.3s ease;
    border-width: 60px;
    border-left-color: #7E3661;
}

.icon-rotate:hover {
    transition: background 0.001s ease 0.3s;
    background: #7E3661;
}

.icon-rotate i {
    z-index: 1;
}