body {
    background-color: #141414;
    color: #fff;
    font-family: Arial, sans-serif;
    overflow: hidden;
}

h1 {
    color: #fff;
    font-size: 2rem;
    animation: fadeIn 0.5s ease-in-out;
}

.user-avatar button {
    background-color: #333;
    color: #fff;
    border: 2px solid #fff;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
    user-select: none;
}

.user-avatar button:hover {
    transform: scale(1.1);
    background-color: #111;
    color: #fff;
}

.user-avatar p {
    color: #fff;
    font-size: 14px;
    margin-top: 8px;
}

#user-list, #login-form {
    transition: opacity 0.2s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}