<!DOCTYPE html> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!-- This testcase checks that flex containers honor those widgets (if any) in our system theme that have only a single valid size (and hence should refuse to flex). e.g. in Gecko with a GTK theme, checkboxes and radio buttons have a single valid size, and any specified widths (and min/max-widths) will have no effect on their rendering (regardless of whether they're in a flex container). --> <html> <head> <style> div.flexbox { display: flex; align-items: flex-start; border: 2px dotted lightgray; width: 400px; height: 40px; margin-bottom: 10px; } div.flexbox > * { flex: 1; outline: 1px dashed black; margin: 0; vertical-align: top; } </style> </head> <body> <div class="flexbox"><input type="button"></div> <div class="flexbox"><input type="checkbox"></div> <div class="flexbox"><input type="file"></div> <div class="flexbox"><input type="image"></div> <div class="flexbox"><input type="password"></div> <div class="flexbox"><input type="radio"></div> <div class="flexbox"><input type="reset"></div> <div class="flexbox"><input type="submit"></div> <div class="flexbox"><input type="text"></div> </body> </html>