Description:The example below will illustrate how border-width will change the way a border with the same style appears. Chrome, for instance, currently renders the dots as rectangular dots not circular ones. Example Try It Try live on Hosting border-width Now that you know what styles are available, you should learn to manipulate them. Values none Displays no border. When two or more margins collapse, the resulting margin width is the maximum of the collapsing margins' widths.