button#mdr-btn-fullscreen {
    padding: inherit !important;
}
button#mdr-btn-halfscreen {
    padding: inherit !important;
}
button#mdr-btn-quarterscreen {
    padding: inherit !important;
}
button#mdr-btn-initial {
    padding: inherit !important;
}
button#mdr-btn-minimize {
    padding: inherit !important;
}
button#mdr-btn-close {
    padding: inherit !important;
}

/* In your front-end stylesheet (e.g., style.css) */
.padding-inherit {
    padding: inherit !important;
}