body {
  max-width: 800px !important;  
  margin-top: auto !important;  
  margin-right: auto !important;  
  margin-bottom: auto !important;  
  margin-left: auto !important;
}

nav {  
  z-index: 1 !important;
}
ul.nobull{
    list-style-type:none
}
.vidframe {
    min-width:300px;
    width:80%;
    height:300px;
}
iframe.jpsize {
    width:100%;
    height:100%;
}