.margintop30  {
margin-top: 30px;
}
.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } 
.embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
#myProgress {
    width: 100%;
    background-color: grey;
}
#myBar {
    width: 1%;
    height: 30px;
    background-color: green;
}