You need to assign some height to make the
overflow: auto; property work.
For testing purpose, add
height: 100px; and check.
and also it will be better if you give
overflow-y:auto; instead of
overflow: auto;, because this makes the element to scroll only vertical but not horizontal.
float:left; width:1000px; overflow-y: auto; height: 100px;
If you don't know the height of the container and you want to show vertical scrollbar when the container reaches a fixed height say
max-height instead of
For more information, read this MDN article.
~ Answered on 2013-08-12 09:19:45