CSS: html overflow: hidden height: 100body overflow: auto height The Twitter Bootstrap modal is a very slick dialog that you can easily use within XPages. In this post, Ill show how to increase the size of modals globally. Ill also show how to re-center the modal if you resize the body with CSS. Просто добавьте: .modal-body max-height: calc(100vh - 212px) overflow-y: auto . Для вашего css. Он использует vh и calc, которые также имеют хорошую поддержку браузера (IE9 ). .modal-header height:15 !important .modal-body height:70 overflow:autoBootstrap grid for printing.