CSS code to apply to MediaWiki:Wikia.css:
.popup-button .popup {
background-color: #2e2e2e;
border-radius: 10px;
width: 0px;
height: 0px;
overflow: hidden;
font-size: 13px;
opacity: 0;
color: #EBEBEB;
margin-left: -200px;
margin-top: -100px;
position: absolute;
z-index: 10;
transition: opacity 0.5s;
-moz-transition: opacity 0.5s;
-webkit-transition: opacity 0.5s;
-o-transition: opacity 0.5s;
}
.popup-button:hover .popup {
width: 215px;
height: auto;
opacity: 0.8;
}
.popup div {
margin: 10px;
}
.popup span {
font-size: 14px;
font-weight: bold;
}
.hoverimage img {
opacity: 0.85;
filter: alpha(opacity=85);
}
.hoverimage img:hover {
opacity: 1.0;
filter: alpha(opacity=100);
}
This will create a popup when you hover your cursor over a visible button. Example code shown here:
<div class="popup-button" style="width:150px; position:relative; margin:auto"> <span class="hoverimage">[[File:Example Popup.png|link=Sam Wang Sandbox Wiki|Main page]]</span> <div class="popup" align="left"><div><span>Example Title</span><br />Example text</div></div></div>
Will produce:
This was originally designed for Isle of Tune Wiki, but also be used on other wikis.