The WISWYG editor is one of the most popular and most used aspects of WordPress. For this reason it is a good idea to have styles ready for anything that the user might add to their blog, like images or blockquotes. The following CSS shows you what classes WordPress automatically adds to these elements:
/* =WordPress Core -------------------------------------------------------------- */ .alignnone { margin: 5px 20px 20px 0; } .aligncenter, div.aligncenter { display: block; margin: 5px auto 5px auto; } .alignright { float:right; margin: 5px 0 20px 20px; } .alignleft { float: left; margin: 5px 20px 20px 0; } a img.alignright { float: right; margin: 5px 0 20px 20px; } a img.alignnone { margin: 5px 20px 20px 0; } a img.alignleft { float: left; margin: 5px 20px 20px 0; } a img.aligncenter { display: block; margin-left: auto; margin-right: auto; } .wp-caption { background: #fff; border: 1px solid #f0f0f0; max-width: 96%; /* Image does not overflow the content area */ padding: 5px 3px 10px; text-align: center; } .wp-caption.alignnone { margin: 5px 20px 20px 0; } .wp-caption.alignleft { margin: 5px 20px 20px 0; } .wp-caption.alignright { margin: 5px 0 20px 20px; } .wp-caption img { border: 0 none; height: auto; margin: 0; max-width: 98.5%; padding: 0; width: auto; } .wp-caption p.wp-caption-text { font-size: 11px; line-height: 17px; margin: 0; padding: 0 4px 5px; } /* Text meant only for screen readers. */ .screen-reader-text { border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute !important; width: 1px; word-wrap: normal !important; /* Many screen reader and browser combinations announce broken words as they would appear visually. */ } .screen-reader-text:focus { background-color: #eee; clip: auto !important; clip-path: none; color: #444; display: block; font-size: 1em; height: auto; left: 5px; line-height: normal; padding: 15px 23px 14px; text-decoration: none; top: 5px; width: auto; z-index: 100000; /* Above WP toolbar. */ }