Base Directory:
/home/ecedu/public_html/wp-includes/blocks/nextpage
.block-editor-block-list__block[data-type="core/nextpage"]{
margin-bottom:28px;
margin-top:28px;
max-width:100%;
text-align:center;
}
.wp-block-nextpage{
display:block;
text-align:center;
white-space:nowrap;
}
.wp-block-nextpage>span{
background:#fff;
border-radius:4px;
color:#757575;
font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;
font-size:13px;
font-weight:600;
height:24px;
padding:6px 8px;
position:relative;
text-transform:uppercase;
}
.wp-block-nextpage:before{
border-top:3px dashed #ccc;
content:"";
left:0;
position:absolute;
right:0;
top:50%;
}