.mblDomButtonGrayKnob {position: relative; width: 29px; height: 29px;}.mblDomButtonGrayKnob > div {position: absolute; top: 6px; left: 2px; width: 23px; height: 3px; margin: 0px; font-size: 1px; background-color: #cecfce; border-width: 1px 1px 0 0; border-style: solid; border-color: #9c9e9c;}.mblDomButtonGrayKnob > div > div {position: absolute; top: 6px; width: 23px; height: 3px; background-color: #cecfce; border-width: 1px 1px 0 0; border-style: solid; border-color: #9c9e9c;}.mblDomButtonGrayKnob > div > div > div {position: absolute; top: 6px; width: 23px; height: 3px; background-color: #cecfce; border-width: 1px 1px 0 0; border-style: solid; border-color: #9c9e9c;}