@import 'mediawiki.skin.variables.less'; .ext-WikiEditor-twopanes-TwoPaneLayout { display: flex; .ext-WikiEditor-twopanes-pane1 { border-color: @border-color-subtle; border-style: @border-style-base; border-width: 0 @border-width-base 0 0; // Offset by half the difference in padding and the UI affordance. width: ~'calc( 50% - 9px )'; } .ext-WikiEditor-twopanes-pane2 { position: relative; border-color: @border-color-subtle; border-style: @border-style-base; border-width: 0 0 0 @border-width-base; flex: 1 1 0; padding: 0; display: flex; flex-direction: column; // Should match ResizingDragBar.static.MIN_PANE_SIZE in ResizingBar.js min-width: 248px; .ext-WikiEditor-realtimepreview-preview { overflow: auto; height: 100%; } } }