如何增大TreeTable分页器每页行数下拉菜单的字体大小？

Hey there! I’ve run into similar styling quirks with PrimeFaces paginators before, so let’s get that dropdown font sorted out quickly.

Why Your Original CSS Didn’t Work #

The core issue is likely a mismatched selector hierarchy. In most PrimeFaces implementations, the rows-per-page dropdown (ui-paginator-rpp-options) isn’t nested inside the ui-paginator-pages container—it sits at the same level as it. Your original selector .ui-paginator .ui-paginator-pages .ui-paginator-rpp-options was targeting an element that doesn’t exist in the DOM, which is why it had no effect.

Working CSS Solutions #

Try these adjusted selectors instead, depending on what you need to style:

1. Style the dropdown’s visible text (the part users see before clicking):

.ui-paginator .ui-paginator-rpp-options {
    font-size: 16px !important; /* Adjust to your desired size */
    padding: 0.25em 0.5em; /* Optional: Add padding to improve visual spacing */
}

2. Style the dropdown’s options (the items that appear when clicking the dropdown):
   If the options inside the dropdown are still tiny after adjusting the main selector, add this:

.ui-paginator .ui-paginator-rpp-options option {
    font-size: 16px !important;
}

Pro Tip to Verify Selectors #

To be 100% confident in the correct selector path:

• Right-click the dropdown in your browser and select "Inspect" (or press F12 to open dev tools)
• Check the element’s parent hierarchy in the DOM panel
• Build your selector based on the actual structure you see there

For example, if the dropdown is directly a child of .ui-paginator, then .ui-paginator .ui-paginator-rpp-options is the right path.

内容的提问来源于stack exchange，提问作者nolanite1