Tests for bug 823483

| img, unstyled

| img, width: 50%

| img, max-width: 50%

| canvas, unstyled

| canvas, width: 50%

| canvas, max-width: 50%

| iframe, almost unstyled

| iframe, width: 50%

| iframe, max-width: 50%

| input type="text", unstyled

| input type="text", width: 50%

| input type="text", max-width: 50%

| empty input type="button", unstyled

| empty input type="button", width: 50%

| empty input type="button", max-width: 50%

| nonempty input type="button", unstyled

| nonempty input type="button", width: 50%

| nonempty input type="button", max-width: 50%