SOURCE

    <div id="div" style="width:100%;text-align:center;">123</div>
    <div>
        <input style="float: left;"/>

        <button style="margin-left: 2vw;float: left;">
            当前分类
        </button>
        <button style="margin-left: 2vw;background-color: blanchedalmond;">
            所有
        </button>
    </div>

    <div id="img_type">
        <button style="background-color: blanchedalmond;" value="兔">兔</button>
        <button value="蛇">蛇</button>
    </div>