Discussione: Rimozione parte non utilizzata

Ok come faccio a scoprire a cosa si riferisce?

mi scoccia averlo lì, mi servirebbe ottimizzare lo spazio del forum

Ispeziona elemento di firefox mi da questo:

element.style {
}
.canvas-layout-container .canvas-layout .canvas-layout-row.has-columns {
height: 248px;
border-color: inherit;
display: table;
width: 100%;
table-layout: fixed;
}
.canvas-layout-container .canvas-layout .canvas-layout-row {
border-color: inherit;
width: 100%;
display: block;
clear: both;
}
.l-row {
width: 100%;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
user agent stylesheetdiv {
display: block;
}
Pseudo ::before element
.l-row:before, .l-row:after {
content: ' ';
display: table;
}
Pseudo ::after element
.l-row:after {
clear: both;
}
.l-row:before, .l-row:after {
content: ' ';
display: table;
}
Inherited from div#canvas-layout-wide-narrow.canvas-layout
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
Inherited from div.canvas-layout-container
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
Inherited from div#content
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
Inherited from div#wrapper
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
Inherited from div#outer-wrapper
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
Inherited from body#vb-page-body.page1.vb-page.view-mode
body {
line-height: 1.231;
background: #00FFFF none repeat 0 0;
color: #252c2f;
font: 14px 'Segoe UI','Open Sans',Arial,sans-serif;
margin: 0;
padding: 0;
overflow-y: scroll;
}
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
Inherited from html#htmlTag.js.flexbox.no-touch.hashchange.history.rgba.hsla.multiplebgs.bac kgroundsize.borderimage.borderradius.boxshadow.tex tshadow.opacity.cssanimations.csscolumns.cssgradie nts.cssreflections.csstransforms.csstransforms3d.c sstransitions.fontface.generatedcontent.cookies.bg positionshorthand.cssfilters.lastchild.boxsizing.m ediaqueries.no-overflowscrolling.cssremunit.no-subpixelfont.pointerevents.cssresize.cssscrollbar. filereader.placeholder.fileinput.formvalidation.no-firefox.no-opera
.placeholder {
color: #556065 !important;
}
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}

nessuno ha idea?