将两个div叠加在一起

Question

我有两个按钮,但它们并排显示.我想让他们在彼此之上.

<div id="top">
    <div>
        <label for="entityDropDown">Entity: </label>
        <select id="entityDropDown"></select>
        <div id="removeEntity"><a>?</a></div>
    </div>          
    <br><br>
    <div id="entityStatus">
        <div>
            <label for="entityAvailable">Entity Available</label>
            <select id="entityAvailable" multiple=""></select>
        </div>
        <div id="moveButtons">
            <button type="button">Add User</button>
            <button type="button">Remove</button>
        </div>
        <div>
            <label for="entityAssigned">Entity Assigned</label>
            <select id="entityAssigned" multiple=""></select>
        </div>
    </div>
    <br style="clear:both;">
</div>

这是小提琴http://jsfiddle.net/vS9vJ/

Answer 1

只是:

#moveButtons button {
    display:block;
}

演示: http ://jsfiddle.net/vS9vJ/1/