<h2>Prettifying the 'title' attribute without Javascript!</h2> <p>You can use this for lots of different purposes. You can display links like this, for example <a class="dfn-hover" href="http://www.guuslieben.nl/"><dfn data-info="http://www.guuslieben.nl/">My Website!</dfn></a>, Give information about something: <dfn data-info="JavaScript is the programming language of HTML and the Web.">Javascript</dfn> and who knows what else! You can make text as long or short as you want! Example: <dfn data-info="HTML5 is a core technology markup language of the Internet used for structuring and presenting content for the World Wide Web.">About HTML5</dfn>.</p> <p>You can make your page more compact by <i>hiding</i> the information with the data info. Are you ready for it? Follow <a href="http://guuslieben.nl/uploads/hover-info.zip" download>the link</a> to download.</p>
@import url(http://fonts.googleapis.com/css?family=Open+Sans:700,400,300); ::-moz-selection { background: rgba(0,0,0,0.2); } ::selection { background: rgba(0,0,0,0.2); } /* Skip to line 40 for the hover code */ body { background: #fff; background-size: 100%; font-family: 'Open Sans', sans-serif; font-size: 16px; line-height: 1.5em; margin: 20px 4em 0; color: #333; } h1 { max-width: 49rem; font-size: 3.5em; line-height: 1em; font-weight: 700; margin: 0.25em auto; } h2 { max-width: 49rem; margin: 1.4em auto; } p { line-height: 1.5em; margin: 1.4em auto; max-width: 49rem; font-size: 1em; font-weight: 300; } a.dfn-hover { color: #333; text-decoration: none; } /** Code for hover info **/ dfn { background: #e9e9e9; border-bottom: dashed 1px rgba(0,0,0,0.8); padding: 0 0.4em; cursor: help; font-style: normal; position: relative; } dfn::after { content: attr(data-info); display: inline; position: absolute; top: 22px; left: 0; opacity: 0; width: 230px; font-size: 13px; font-weight: 700; line-height: 1.5em; padding: 0.5em 0.8em; background: rgba(0,0,0,0.8); color: #fff; pointer-events: none; /* This prevents the box from apearing when hovered. */ transition: opacity 250ms, top 250ms; } dfn::before { content: ''; display: block; position: absolute; top: 12px; left: 20px; opacity: 0; width: 0; height: 0; border: solid transparent 5px; border-bottom-color: rgba(0,0,0,0.8); transition: opacity 250ms, top 250ms; } dfn:hover {z-index: 2;} /* Keeps the info boxes on top of other elements */ dfn:hover::after, dfn:hover::before {opacity: 1;} dfn:hover::after {top: 30px;} dfn:hover::before {top: 20px;}