/* Limit width of commit title to 72 characters */
.rgh-monospace-textareas #merge_title_field,
.rgh-monospace-textareas #commit-summary-input {
	width: calc(72ch + 18px);
}

.rgh-monospace-textareas #merge_title_field,
.rgh-monospace-textareas #commit-summary-input,
.rgh-monospace-textareas textarea {
	font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;
}

.rgh-monospace-textareas textarea {
	font-size: 13px;
}

/* Limit width of commit title to 72 characters */
.rgh-monospace-textareas #merge_title_field,
.rgh-monospace-textareas #commit-summary-input {
	width: calc(72ch + 18px);
	max-width: 100%;
}

.rgh-monospace-textareas #merge_title_field,
.rgh-monospace-textareas #commit-summary-input,
.rgh-monospace-textareas textarea {
	font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;
}

.rgh-monospace-textareas textarea {
	font-size: 13px;
}

Fix bleeding field on the "Ddit file" commit form
Fix bleeding field on the "Ddit file" commit form

https://user-images.githubusercontent.com/1402241/77678157-0ac75c80-6f91-11ea-88be-c7278be3222e.png