.avatar .img{width:200px;height:200px}.richmd_preview .span{align-items:center;margin:20px 0;display:flex}.richmd_preview .span .img{border:1px solid #ccc;border-radius:8px;max-width:60%;padding:10px}@media (max-width:900px){.richmd_preview .span .img{max-width:100%}}