How to align center archive title&reduce the space in Archive-Post-Title's area

Hi there,

1. Centre align page header title:

.archive .page-header {
    text-align: center;
}

2. Customizer > Layout > Container --> adjust Content Separator

Thank you so much

1. work well

2. I mean this space (as in the attachment)
[img]https://sv1.picz.in.th/images/2020/02/05/xSvldu.jpg[/img]

#jjask

Try this CSS:

.post-image-above-header .inside-article .post-image {
    margin-bottom: 0.5em !important;
}
.archive .entry-summary {
    display: none;
}

Thank you so much

You're welcome