figure { width: 90%; min-width: 17.5em; margin:0 auto;}
figcaption { font: 120% sans-serif; text-align: center;}
.boxPlayerTV {
position: relative;
padding-bottom: 56.25%;
padding-top: 0px;
height: 0;
margin:0 auto;
}
.boxPlayerTV iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
<iframe src="https://playerv.voxtvhd.com.br/video/musicaeshd/1/true/true/YzNSdGRqUXVkbTk0ZEhab1pDNWpiMjB1WW5JPSta/16:9/nocover/nao/" scrolling="no" frameborder="0" allowfullscreen=""></iframe>
figure { width: 90%; min-width: 17.5em; margin:0 auto;}
figcaption { font: 120% sans-serif; text-align: center;}
.boxPlayerTV {
position: relative;
padding-bottom: 56.25%;
padding-top: 0px;
height: 0;
margin:0 auto;
}
.boxPlayerTV iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
<iframe src="https://playerv.voxtvhd.com.br/video/musicaeshd/1/true/true/YzNSdGRqUXVkbTk0ZEhab1pDNWpiMjB1WW5JPSta/16:9/nocover/nao/" scrolling="no" frameborder="0" allowfullscreen=""></iframe>