HTMLify

body {
    display: grid;
    place-items: center;
    height: 100vh;
    background: #121314;
    margin: 0;
    padding: 0;
}

label {
    display: flex;
    flex-direction: column;
    width: 70px;
    cursor: pointer;
}

label span {
    background: #fff;
    border-radius: 10px;
    height: 7px;
    margin: 7px 0;
    transition: 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

span:nth-of-type(1) {
    width: 50%;
}

span:nth-of-type(2) {
    width: 100%;
}

span:nth-of-type(3) {
    width: 75%;
}

input[type="checkbox"] {
    display: none;
}

input[type="checkbox"]:checked~span:nth-of-type(1) {
    transform-origin: bottom;
    transform: rotateZ(45deg) translate(8px, 0px);
}

input[type="checkbox"]:checked~span:nth-of-type(2) {
    transform-origin: top;
    transform: rotateZ(-45deg);
}

input[type="checkbox"]:checked~span:nth-of-type(3) {
    transform-origin: bottom;
    width: 50%;
    transform: translate(30px, -11px) rotateZ(45deg);
}