css to edit viper video quicktags plug-in settings

flv video quicktag imposes a 10px margin around the player window and i want it to be 0. firebug lists the source “blog#4 line 44”. looked around in the settings in the dashboard to no avail..

if i copy this mark-up and put it in my theme style.css it gets overridden.

https://francescaromeo.com/blog

.vvqbox {
    display: block;
    float: left;
    margin: 10px 10px 10px 0;
    max-width: 100%;
    visibility: visible !important;
}