.button {
    border: none;
    border-radius: 18px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
    width: 50%;
    padding: 0.6em 1.2em;
    margin: 0.5em auto;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

.button:hover {
    background: #5136EB;
    color: #fff;
}

.button.gray {
    background: lightgray;
    font-weight: 700;
}

.button.gray:hover {
    background: #5136EB;
}