.siteui-buttonrow-wrap > .siteui-button{
    vertical-align: bottom;
}

.siteui-buttonrow-left{
    text-align: left;
}

.siteui-buttonrow-right{
    text-align: right;
}

.siteui-buttonrow-center{
    text-align: center;
}

.siteui-buttonrow-right .siteui-button:first-child,
.siteui-buttonrow-left .siteui-button:first-child{
    margin-left: 0 !important;
}

.siteui-buttonrow-right .siteui-button:last-child,
.siteui-buttonrow-left .siteui-button:last-child {
    margin-right: 0 !important;
}