<div class="content-wrapper">
   <div class="avatar">
    <img src="http://static.galileo.xiaojukeji.com/static/tms/seller_avatar_256px.jpg" alt="" width="64" height="64">
   </div>
     <div class="content">
        <div class="title">
            <span class="brand"></span> <span class="name">粥品香坊（回龙观）</span>
           </div> 
            <div class="description">
        蜂鸟专送 / 38分钟送达
           </div> 
            <div class="support">
                <span class="icon"></span> 
                <div class="text">在线支付满28减5</div>
            </div>
      </div>
</div>

老师的CSS：

.header .content-wrapper .avatar {
   display: inline-block;
   vertical-align: top;
}
.header .content-wrapper .content {
   display: inline-block;
   margin-left: 16px;
}