.toolbar .toolbar-talk-app .toolbar-talk-app-wrapper {
    display: block;
    width: 24px;
    height: 24px;
    margin: 0 auto;
}

.toolbar .toolbar-talk-app i {
    display: block;
    width: 100%;
    height: 100%;
    cursor: pointer;
    background: url(../images/mail-white.png) no-repeat;
}

.toolbar .toolbar-talk-app i:hover {
    cursor: pointer;
    background: url(../images/mail-black.png) no-repeat;
}

.toolbar .toolbar-talk-app i:active {
    cursor: pointer;
    background: url(../images/mail-black.png) no-repeat;
}