SOURCE

<div class="container"><span title="test">abgjkl</span>
<img src="https://ts1.cn.mm.bing.net/th/id/R-C.466bb61cd7cf4e8b7d9cdf645add1d6e?rik=YRZKRLNWLutoZA&riu=http%3a%2f%2f222.186.12.239%3a10010%2fwmxs_161205%2f002.jpg&ehk=WEy01YhyfNzzQNe1oIqxwgbTnzY7dMfmZZHkqpZB5WI%3d&risl=&pid=ImgRaw&r=0" />
</div>
<div class="div-area"></div>

img {
	/* 1、将属性设置为bottom或者bottom */
	/* vertical-align: top; */
	/* vertical-align: bottom; */
    /* 2、将img的display属性设置为block */
    /* display: block; */
    /* 3、或者让img浮动起来 */
    /* float: left; */
    height: 100px;
    width: 100px;
}
.div-area {
    background-color: red;
    height: 100px;

}
.container {
    /* background-color: orange */
}