/* UTF-8 specific styles */
        .byte-pair {
            display: inline-block;
            width: 3.5em;
            text-align: center;
            margin-right: 0.25em;
            font-family: monospace;
        }
        
        .char-highlight {
            background-color: rgba(44, 125, 160, 0.1);
            padding: 0 2px;
            border-radius: 3px;
        }