Border-width In Em - But Set A Minimum Border-width
Answer : In CSS3, you can try to (ab)use the max css function, if your browser supports it. border-width: max(1px, 0.1em); border-style: solid; border-color: black; Unfortunately this awesome CSS3 feature isn't supported by any browsers yet, but I hope this will change soon! But in CSS2 – no, you can't. However, you can use JavaScript/jQuery to loop through all elements and increase the border size to 1px. But this will eat so much performance your browser is gonna crash if you have too many elements on your page (e.g. a table with more than 50-100 rows). So in other words, no it's not possible. $("[id$='ReportViewerControl']").find('*') .each(function () { if($(this).is('#ParametersRowReportViewerControl *')) return; //console.log("Processing an element"); //var cls = $(this).attr("class"); // Don't add a border to sort-arrow if ($(this).is...