Try this out: @-moz-document url-prefix("<a href="https://app.roll20.net/editor/" rel="nofollow">https://app.roll20.net/editor/</a>"), url-prefix("<a href="https://app.roll20.net/editor/" rel="nofollow">https://app.roll20.net/editor/</a>") {
#containerdiv .characterdialog div .nav-tabs {
margin-block-start: -40px;
}
#containerdiv.ui-dialog {
margin-block-start: 35px;
}
.popoutwindow #containerdiv {
margin-block-start: initial;
}
.ui-widget .characterdialog div .nav-tabs {
margin-block-start: -40px;
}
.characterdialog {
margin-block-start: 30px;
}
#containerdiv .characterdialog {
margin-block-start: initial;
}
#containerdiv .characterdialog div .nav-tabs, .ui-widget .characterdialog div .nav-tabs {
z-index: 100000;
position: fixed;
border: none !important;
}
.nav-tabs li a {
border: none;
border-radius: 0px;
}
.ui-widget .characterdialog div .nav-tabs li a {
padding-top: 10px;
padding-bottom: 10px;
}
#containerdiv .characterdialog div .nav-tabs li a {
padding-top: 15px;
padding-bottom: 8px;
}
.nav-tabs > .active > a, .nav-tabs > .active > a:hover {
padding-bottom: 5px;
border-bottom: 1px solid #ddd;
border-top: none;
border-radius: 0px;
}
}