Template:Diagonal split header

class="wikitable"

! style="background:{{{3|var(--background-color-neutral,#eaecf0)}}};color:inherit;background:linear-gradient(to top right,{{{3|var(--background-color-neutral,#eaecf0)}}} 49%,var(--border-color-base,#a2a9b1) 49.5%,var(--border-color-base,#a2a9b1) 50.5%,{{{4|{{{3|var(--background-color-neutral,#eaecf0)}}}}}} 51%);line-height:1.2;padding:0.1em 0.4em;{{{style

}}"|

{{{2}}}

{{{1}}}