.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; margin:auto } 
.embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

@media (min-width: 1024px) {
.embed-container { position: relative;width:600px;max-height:468px;padding-bottom: 34%;margin:auto;height: 337px; } 
.embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
}

.embed-container2 { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; margin:auto } 
.embed-container2 iframe, .embed-container2 object, .embed-container2 embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

@media (min-width: 1024px) {
.embed-container2 { position: relative;width:264px;max-height:476px;padding-bottom: 34%;margin:auto;height: 426px; } 
.embed-container2 iframe, .embed-container2 object, .embed-container2 embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
}