<!DOCTYPE html> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <html> <head> <style> div.flexbox { background: lightgray; float: left; height: 60px; margin-right: 10px; } div.flexbox > * { outline: 1px dashed black; margin: 0; vertical-align: top; height: 100%; display: block; } br { clear: left; } </style> </head> <body> <div class="flexbox"><input type="button"></div> <div class="flexbox"><input type="checkbox"></div> <br> <div class="flexbox"><input type="image"></div> <div class="flexbox"><input type="radio"></div> <br> <div class="flexbox"><input type="reset"></div> <div class="flexbox"><input type="submit"></div> </body> </html>