body {
        height: 100%;
        background-image: url("../images/em_desenvolvimento-FI9yyhM.svg");
        background-size:100% 100%;
        -o-background-size: 100% 100%;
        -webkit-background-size: 100% 100%;
        background-size:cover;
}



@media screen and (max-width: 400px) {
        body {
                height: 100%;
                background-image: url("../images/em_desenvolvimento-FI9yyhM.svg");
                background-size:100% 100%;
                -o-background-size: 100% 100%;
                -webkit-background-size: 100% 100%;
                background-size:cover;        }
}

@media screen and (max-width: 800px) {
        body {
                height: 100%;
                background-image: url("../images/Tablet-hrpIydW.png");
                background-size:100% 100%;
                -o-background-size: 100% 100%;
                -webkit-background-size: 100% 100%;
                background-size:cover;        }
}