DEFAULT_CSS = '\n DiffMessage {\n height: auto;\n padding: 1;\n margin: 1 0;\n background: $surface;\n border: solid $primary;\n }\n\n DiffMessage .diff-header {\n text-style: bold;\n margin-bottom: 1;\n }\n\n DiffMessage .diff-add {\n color: #10b981;\n background: #10b98120;\n }\n\n DiffMessage .diff-remove {\n color: #ef4444;\n background: #ef444420;\n }\n\n DiffMessage .diff-context {\n color: $text-muted;\n }\n\n DiffMessage .diff-hunk {\n color: $secondary;\n text-style: bold;\n }\n '