how to show iframe in full width
<div>
<div style="position:relative;padding-top:56.25%;">
<iframe src="https://www.youtube.com/embed/nckseQJ1Nlg" frameborder="0" allowfullscreen
style="position:absolute;top:0;left:0;width:100%;height:100%;"></iframe>
</div>
</div>iframe 100 responsive
<style>
.container-iframe { position: relative; width: 100%; overflow: hidden; padding-top: 56.25%; /* 16:9 Aspect Ratio */ }
.responsive-iframe { position: absolute; top: 0; left: 0; bottom: 0; right: 0; width: 100%; height: 100%; border: none; }
</style>
<div class="container-iframe" data-widget="">
<iframe src="index.html" class="responsive-iframe" frameborder="0"></iframe>
</div>Copyright © 2021 Codeinu
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