CSS 3 · Flexbox Make one item fill the space Let an item take all remaining space. .search { flex: 1; } Official CSS 3 documentation More flexbox commands Center somethingLay out items in a row with spacingPush items to the edgesWrap onto new linesStack items verticallyKeep the footer at the bottom All flexbox commands · CSS 3 cheatsheet ← Wrap onto new linesStack items vertically →