Base Directory:
/home/ecedu/public_html/wp-includes/blocks/page-list
.wp-block-navigation .wp-block-page-list{
align-items:var(--navigation-layout-align, initial);
background-color:inherit;
display:flex;
flex-direction:var(--navigation-layout-direction, initial);
flex-wrap:var(--navigation-layout-wrap, wrap);
justify-content:var(--navigation-layout-justify, initial);
}
.wp-block-navigation .wp-block-navigation-item{
background-color:inherit;
}
.wp-block-page-list{
box-sizing:border-box;
}