body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, sans-serif;
}

/* Tela de loading */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: #333;
}

/* Animação dos três pontinhos */
.dots::after {
    content: '';
    animation: dots 1.2s steps(3, end) infinite;
}

@keyframes dots {
    0% {
        content: '';
    }

    33% {
        content: '.';
    }

    66% {
        content: '..';
    }

    100% {
        content: '...';
    }
}