.ad-lock-frame {
    width: 320px !important;
    height: 50px !important;
    margin: 10px auto !important; 
    padding: 0 !important;
    line-height: 0 !important;
    overflow: hidden !important;
    text-align: center !important; 
    display: block !important; 
}

.ad-lock-frame ins,
.ad-lock-frame iframe {
    vertical-align: bottom !important;
    margin: 0 !important;
    padding: 0 !important;
}

.ad-lock-frame ins {
    display: inline-block !important;
    width: 320px !important;
    height: 50px !important;
}