Bootstrap overflow utilities controls the content flow when it reaches the area of an element. It has four default values and classes, but these classes are not responsive by default. overflow-auto - It adds scrollbars automatically when content exceeds its size overflow-hidden - overflow content will be hidden overflow-visible - overflow content will be visible without scrollbars overflow-scroll - overflow content is clipped with scrollbars on both horizontal and vertical See the Pen Bootstrap Overflow by Prime Study Hub ( @PrimeStudyHub ) on CodePen .