a.wdg.wdg-button {
    font-variant: small-caps;
    position: relative;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -ms-flex-align: center;
    align-items: center;
    color: #fff;
    padding: .4em .8em;
    margin: .1em;
    border-radius: .2em;
    box-shadow: 0 1px rgb(255,255,255,.3) inset,
                0 -1px rgb(0,0,0,.5) inset;
    cursor: pointer;
    background: #37a;
    border: 1px solid #37a;
}

a.wdg.wdg-button.vertical {
    flex-direction: column;
}

a.wdg.wdg-button.wide {
    display: -ms-flexbox;
    display: flex;
}

a.wdg.wdg-button.red {
    background: #a33;
    border: 1px solid #a33;
}

a.wdg.wdg-button.green {
    background: #3a7;
    border: 1px solid #3a7;
}

a.wdg.wdg-button.blue {
    background: #37a;
    border: 1px solid #37a;
}

a.wdg.wdg-button::after {
  position: absolute;
  content: "";
  left: 0;
  top: 0;
  right: 0;
  height: 50%;
  background: rgba(255, 255, 255, 0.2);
}

a.wdg.wdg-button:hover {
    color: yellow;
    text-shadow: 0 0 3px #000;
}

a.wdg.wdg-button:active {
    transform: translate(.2em,.2em);
}

a.wdg.wdg-button > div {
    -ms-flex-grow: 1;
    -ms-flex-shrink: 0;
    flex-grow: 1;
    flex-shrink: 0;
}

a.wdg.wdg-button > div.caption {
    display: block;
    white-space: nowrap;
    padding-right: 1em;
}

a.wdg.wdg-button.vertical > div.caption {
    padding: 0;
    padding-bottom: .5em;
}

a.wdg.wdg-button.vertical.flip > div.caption {
    padding: 0;
    padding-top: .5em;
}

a.wdg.wdg-button > div.icon {
    content: "";
    display: inline-block;
    font-size: 0;
    padding: 0;
    margin: 0;
    display: inline-block;
    background-repeat: no-repeat;
    background-position: right 50%;
    background-site: contain;    
}

a.wdg.wdg-button.flip > div.caption {
    -ms-order: 1;
    order: 1;
    padding: 0;
    padding-left: 1em;
}

a.wdg.wdg-button.flip > div.icon {
    -ms-order: 0;
    order: 0;
    background-position: left 50%;
}

a.wdg.wdg-button > div.icon.hide {
    display: none;
}

a.wdg.wdg-button > div.icon.ok {
    width: 20px;
    height: 20px;
    background-image: url(wdg.button/ok.png);
}

a.wdg.wdg-button > div.icon.cancel {
    width: 20px;
    height: 20px;
    background-image: url(wdg.button/cancel.png);
}