index.css

/* From uiverse.io by @Ali-Tahmazi99 */
button {
    display: inline-block;
    cursor: pointer;
    width: 110px;
    height: 30px;
    border-radius: 10px;
    border: 1px solid #DE3163;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease-in;
    z-index: 1;
    font-family: 'ark-pixel-12px-monospaced-latin';
}

button::before,
button::after {
    content: '';
    position: absolute;
    top: 0;
    width: 0;
    height: 100%;
    transform: skew(15deg);
    transition: all 0.5s;
    overflow: hidden;
    z-index: -1;
}

button::before {
    left: -10px;
    background: #DE3163;
}

button::after {
    color: #ffffff;
    right: -10px;
    background: #DE3163;
}

button[disabled]{
    background: #DE3163;
}

button:hover::before,
button:hover::after {
    width: 60%;
}

button:hover span {
    color: #ffffff;
    transition: 0.3s;
}

button:disabled span {
    color: #ffffff;
    transition: 0.3s;
}

button span {
    color: #DE3163;
    font-size: 18px;
    transition: all 0.3s ease-in;
}

#root {
    text-align: center;
}

.log {
    background: beige;
    border-radius: 3px;
}

@font-face {
    font-family: 'ark-pixel-12px-monospaced-latin';
    src: url('ark-pixel-12px-monospaced-latin.woff2');
}