Content of the tooltip getting overflow, even though no external style getting applied.

tooltip: {
            useHTML: true,
            style: {
                width: '100px',
                whiteSpace: 'normal'
            },
            
            borderWidth: 0.5,
            borderColor: '#DEDFE0',
            backgroundColor: '#FFFFFF',
            borderRadius: 1,

Please help me to fix the content inside modal.