Tag. While working on a custom HTML5 video framework lately, I stumbled upon an issue which a lot of designers and developers stumble upon in this area. Today I thought it high time to revisit my Build an HTML5 Video Player tutorial and build upon what we created. Set poster image, select codecs, tune settings; 3. So basically what we will do here is: position each button on the controls container, set the width and height of each button and position the background image in order to display the right button. Getting it to work for everyone viewing your site is the hard part. Specifies that the video will play automatically. - An inconvenience is the usage: @Html.Html5().andsoon.The convention about these helpers functions is that they are extension … controls : controls: Specifies that the video controls gets displayed. Add video controls by setting up custom buttons in your creative. 1. Though; removing 'Controls' within the HTML5 Video mark-up, kills the video on iPad; so am in need of another solution. In my last article, I implemented a customisable, cross-browser compatible video player using the HTML5