Originally Posted by diegoMS

For me after editing the file, it looks like that :

LockScreen MImageWidgetStyle#LockScreenLowPowerModeOperatorLo go {
padding-top: 0;
padding-bottom: 0;
padding-left: 0;
padding-right: 0;
margin-top: 6mm;
margin-bottom: 0;
margin-left: 0;
margin-right: 0;
minimum-size: 45mm 45mm;
maximum-size: 45mm 45mm;
}

Hope that it will help you.