去除头部菜单栏，删除相关配置，部分样式调整，我的标记放入工具栏

shuishen

2021-06-02 2cc5220ef0dbfaca2c4afcd4000c243a9e63551c

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.nano-background {background-color: #000; position: absolute; z-index: 9999998;}.nano-image {cursor: pointer; position: absolute; top: 0; left: 0; z-index: 9999999; border: 10px solid #fff;}.nano-image-hidden {visibility: hidden;}