Add the github link on the home page

Transfer: https://www.cnblogs.com/xing901022/p/7606619.html

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1. Settings -> blog settings -> add HTML code to top

<a class="git-link" href="https://github.com/xinghalo"></a>

2. Settings -> Page custom CSS code to add

.git-link {
    z-index: 100;
    position: fixed;
    top: 0;
    right: 0;
    border: 0;
    height: 149px;
    width: 149px;
    transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -o-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    background-image: url(//images2015.cnblogs.com/blog/459873/201603/459873-20160317090540131-1089895320.png);
}

3. Effect