YtIoT/WebRoot/res/extjs/examples/button/button.css

h2 {
    color:#083772 !important;
    margin: 20px 0 0 !important;
    padding: 5px;
    background:#eee;
    width:400px;
}

h3 {
    font-weight:normal !important;
    margin:10px;
}

.x-btn {
    margin-left:10px;
}

/*buttons*/
.x-btn-default-large .add {
    background-image: url(images/add.gif) !important;
}
.x-btn-default-small .add {
    background-image: url(images/add16.gif) !important;
}
.x-btn-default-medium .add {
    background-image: url(images/add24.gif) !important;
}