[Chart Synchronization] Sample in the topic is not 100% visible

1. Go to this topic:  https://staging.infragistics.com/products/ignite-ui-angular/angular/components/charts/features/chart-synchronization
2. Observe how the lines at the ends and their value points in the sample  are not entirely visible 

Expected result: Charts should be 100% visible
Actual result: Charts are partially cut

