.em-construcao {
    background: #282828;
}

.midle {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100%;
}

    .midle img {
        max-width: 500px;
        width: 100%;
    }

@media (min-width: 768px) {
    .midle img {
        max-width: 100% !important;
        width: 100% !important;
        min-width: 100% !important;
    }
}