[migration/3.21] idempotency fixes
Drop constraints before (re)creating them
This is postgresql-specific syntax, sqlserver needs work.
* {
color: #000 !important;
}
div#popupLoginBox,
div#popupLoginBox,
img#logo, div.header,
#navColumnLeft, #navColumnRight,
#footer {
display: none
}
div#pageContent{
border: none;
}