pen/assets/css/pen-editor.css

@font-face {
	font-family: 'robotoregular';
	src: url('../fonts/roboto/roboto-regular.eot');
	src: url('../fonts/roboto/roboto-regular.eot?#iefix') format('embedded-opentype'),
	url('../fonts/roboto/roboto-regular.woff') format('woff');
	font-weight: normal;
	font-style: normal;
}
body {
	color: #333;
	font-family: 'robotoregular', Arial, Helvetica, Sans-serif;
}
.wp-block,
.wp-block[data-align=wide],
.wp-block-cover h2,
.wp-block-cover-image h2,
.editor-error-boundary,
.editor-block-toolbar,
.edit-post-text-editor,
.wp-block-cover .wp-block-cover-image-text,
.wp-block-cover .wp-block-cover-text,
.wp-block-cover-image .wp-block-cover-image-text,
.wp-block-cover-image .wp-block-cover-text,
.edit-post-visual-editor .editor-block-list__block[data-align=full] > .editor-block-list__block-edit > .editor-block-contextual-toolbar,
.edit-post-visual-editor .editor-block-list__block[data-align=wide] > .editor-block-list__block-edit > .editor-block-contextual-toolbar .editor-block-toolbar {
	max-width: 98% !important;
}