Add line break to tooltip in Bootstrap 3

Solution 1:

You need to add data-html="true" to the markup..

<div class="content show-tooltip" data-html="true" data-placement="top" 
     title="1st line of text <br> 2nd line of text">

Working demo: https://codeply.com/p/C8083WXo5Z

Solution 2:

In the Title use this code to break the line:

HTML

...title="- Item 1 &#013; - Item 2 &#013;"

CSS

.ui-tooltip {
    /* tooltip container box */
    white-space: pre-line;
}

.ui-tooltip-content {
    /* tooltip content */
    white-space: pre-line;
}