ar range = high - low;
            var meanPosition = ((mean - low) / range) * 100;
            document.getElementById('mean-marker').style.left = meanPosition + '%';
            document.getElementById('ms-bar').style.width = meanPosition + '%';
            document.getElementById('mean-target-text').style.left = meanPosition + '%';
            var currentPosition = ((current - low) / range) * 100;
            document.getElementById('now-marker').style.left = currentPosition + '%';
            document.g