.displaynone {
    display: none;
}

@media only screen and (max-width:3000px), only screen and (max-device-width:3000px) {
    .imagempublicitaria1 {
        display: block;
    }

    .imagempublicitaria2 {
        display: none;
    }
}

@media only screen and (max-width:500px), only screen and (max-device-width:500px) {
    .imagempublicitaria1 {
        display: none;
    }

    .imagempublicitaria2 {
        display: block;
    }
}

@media only screen and (max-width:575px), only screen and (max-device-width:575px) {
    .partedotempo {
        display: none;
    }
}

/*height youtube*/
.videowrapper {
    float: none;
    clear: both;
    width: 100%;
    position: relative;
    /*padding-bottom: 56.25%;*/ /*youtube 38.25%*/
    padding-bottom: 47.25%;
    padding-top: 25px;
    height: 0;
}

    .videowrapper iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }