3d button

http://stackoverflow.com/questions/19799917/styling-checkbox-on-mousedown-and-mouseup-events/19800253#19800253

by TastyBytes

HTML

<a href="#" class="threeDee">OK</a>

CSS

a.threeDee {
    display: inline-block;
    
    padding: 5px 15px;
    height: 15px;
    margin: 0 0 5px 0;
    
    font: normal normal bold 15px helvetica;
    text-decoration: none;
    color: #777;
    text-shadow:  1px 1px 1px #fff;
    
    background: #f2f2f2; /* Old browsers */
    background: -moz-linear-gradient(top,  #f2f2f2 26%, #e8e8e8 26%, #d3d3d3 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(26%,#f2f2f2), color-stop(26%,#e8e8e8), color-stop(100%,#d3d3d3)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top,  #f2f2f2 26%,#e8e8e8 26%,#d3d3d3 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top,  #f2f2f2 26%,#e8e8e8 26%,#d3d3d3 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top,  #f2f2f2 26%,#e8e8e8 26%,#d3d3d3 100%); /* IE10+ */
    background: linear-gradient(top,  #f2f2f2 26%,#e8e8e8 26%,#d3d3d3 100%); /* W3C */
    
    border: 1px solid #dfdfdf;
    border-radius: 5px;
    
    box-shadow: 0 4px 0 0 #aaa, 0 5px 10px 0 rgba(50,50,50,.4), 0 5px 3px 0 #555;
}

a.threeDee:hover {
    box-shadow: 0 3px 0 0 #aaa, 0 4px 8px 0 rgba(50,50,50,.4), 0 4px 3px 0 #555;
    margin: 1px 0 4px 0;
   
}

a.threeDee:active {
    box-shadow: 0 0px 0 0 #aaa, 0 1px 4px 0 rgba(50,50,50,.4), 0 1px 3px 0 #555;
    margin: 4px 0 1px 0;
   
}

JavaScript

/** inspired by http://tympanus.net/Tutorials/CSSButtonsPseudoElements/index3.html# **/