浮标

<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="left" title="Tooltip on left">Tooltip on left</button>

<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="top" title="Tooltip on top">Tooltip on top</button>

<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">Tooltip on bottom</button>

<button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="right" title="Tooltip on right">Tooltip on right</button>

效果

浮标样式

    改变浮标的样式

　　.tooltip-inner {

    max- 200px;
    padding: 3px 8px;
    color: #fff;
    text-align: center;
    text-decoration: none;
    background-color: red;
    border-radius: 4px;
}
.tooltip.right .tooltip-arrow {
    top: 50%;
    left: 0;
    margin-top: -5px;
    border- 5px 5px 5px 0;
    border-right-color: red;
}