html{background-color:#FFFFFF;/* Pure white for the side spaces */}body{background-color:#FFFFF0;/* Ivory for the content area */ color:#0f0000;font-family:"Times New Roman", Times, serif;line-height:1.6;margin:0 auto;max-width:800px;/* Reduced width for wider side margins and better readability */ padding:20px 50px;/* Increased side padding for better internal spacing */ box-shadow:0 0 15px rgba(0,0,0,0.1);/* Slightly more defined shadow */ min-height:100vh;}a:link{color:#0000FF;text-decoration:none;}a:visited{color:#0000FF;text-decoration:none;}a:hover{text-decoration:underline;}h1, h2, h3, h4{color:#800080;text-align:center;}hr{border:0;border-top:1px solid #ddd;margin:20px 0;}/* Base table styles - more flexible for layout */table{margin:10px auto;}td{padding:5px;}blockquote{margin:20px 40px;}.center{text-align:center;}.right{text-align:right;}.italic{font-style:italic;}.bold{font-weight:bold;}.adsense-container{max-width:100%;overflow:hidden;}/* Ensure images don't overflow */img{max-width:100%;height:auto;}/* For Vietnamese Unicode specific styles if needed */[lang="vi"]{font-family:"Times New Roman", Times, serif;}