CSS 圖文混排，圖片居右

.post-entry img[alt$=">"] {
    float: right;
    margin: 0.7rem;      /* this margin is totally up to you */
    box-shadow: 0 0 10px #555;
    border-radius: 6px;
    -webkit-box-shadow: 0 0 0px #ece7e7;
    -moz-box-shadow: 0 0 0px #ece7e7;
    max-width: 45%;
}

CSS 圖文混排，圖片居左

.post-entry img[alt$="<"] {
    float: left;
    margin: 0.7rem;      /* this margin is totally up to you */
    box-shadow: 0 0 10px #555;
    border-radius: 6px;
    -webkit-box-shadow: 0 0 0px #ece7e7;
    -moz-box-shadow: 0 0 0px #ece7e7;
    max-width: 45%;
}

CSS 圖文混排，圖片居中

.post-entry img[alt$="><"] {
    display: block;
    float: none!important;
    margin: 0.7rem auto; /* you can replace the vertical '0.7rem' by
                            whatever floats your boat, but keep the
                            horizontal 'auto' for this to work */
    box-shadow: 0 0 10px #555;
    border-radius: 6px;
    -webkit-box-shadow: 0 0 0px #ece7e7;
    -moz-box-shadow: 0 0 0px #ece7e7;
    max-width: 75%;
    vertical-align: middle;
    /* whatever else styles you fancy here */ 
}

Markdown 寫法

#基本格式
![alt >](url "title")
![alt <](url "title")
![alt ><](url "title")
#范例
![品美社 LOGO <](https://pinmei123.com/imgs/logo.png ")