htwkalender/frontend/public/primevue-sass-theme/theme-base/components/misc/_blockui.scss

// core
.p-blockui-container {
    position: relative;
}

.p-blockui.p-component-overlay {
    position: absolute;
}

.p-blockui-document.p-component-overlay {
    position: fixed;
}

// theme
.p-blockui {
    border-radius: $borderRadius;
}