更改jekyll默认图片css

assets/themes/the-minimum/css

vim my.css

.mediaobject {

        margin-top: 5px;
        margin-left: 4.16%;
        margin-right: 4.16%;
        padding: 5px;
        /*     border: 1px dashed gray; */
        border: 5px solid #BBBBBB;
}

img {
        margin-left:4.16%;
        border-style: none;
        max-width: 100%;
        /* padding: 20px 20px 20px 80px; */
           
/*      border: 1px dashed gray; */
/*       border: 0.7em solid #E0DFCC; */
        overflow: hidden;
}




h2 {
        margin-left: -4.16%;
        padding: 0.694% 1.38%;
        background: #FBF3DC;
        border-radius: 5px;
        font-size: 20px;
        line-height: 36px;
        font-family: "微软雅黑", Helvetica, Arial, sans-serif;
        color: #333333;
        margin: 10px 0;
        background: none repeat scroll 0 0 #FBF3DC;
        border-radius: 5px 5px 5px 5px;
        /*     margin: 1.38% 0 1.38% -2.78%; */
        padding: 0.48% 1.38%;
        color: #333333;
        font-weight: bold;
        margin-left: -4.16%;
        text-rendering: optimizelegibility;
}