[web/views/formrenderer] remove `cubicweb:target` attribute on form once the target <iframe> is inserted
For some unknown reason, IE9 does not want to submit the form inside
the <iframe> when the ``cubicweb:target`` attribute exists.
(closes #5377672)
* {
color: #000 !important;
}
div#popupLoginBox,
div#popupLoginBox,
img#logo, div.header,
#navColumnLeft, #navColumnRight,
#footer {
display: none
}
div#pageContent{
border: none;
}