使用css停止div调整父div的大小

https://jsfiddle.net/ETkkR/

<div id="Blog1">
    <div class="post">
    <img src="https://dummyimage.com/180x120/000/fff" alt="Image 1" title="This is my first image"/>
        <div class="post-info">
            <span>post title post title post title</span>
        </div>
    </div>
    <div class="post">
    <img src="https://dummyimage.com/175x104/f0f/fff" alt="Image 2" title="The second one is pretty"/>
                <div class="post-info">
            <span>post title post title post title</span>
        </div>
    </div>        
</div>​
<div id="Blog1">