.youtube_video{
text-align:center;
}
.youtube_video iframe{
height: 500px;
}
@media only screen and (max-width: 400px) {
.youtube_video iframe{
height: 300px;
}
}
@media only screen and (max-width: 980px) {
img{
max-width: 100% !important;
height: auto;
width: auto !important;
}
}