p{

    text-indent:2em !important;

}
code{

    text-indent: 0em !important;

}
#home{
    background-image: url('https://cdn.luogu.com.cn/upload/image_hosting/pe7ryfma.png');
    //background-repeat: no-repeat;
    background-size: contain;
}
#main{
    background-color: rgba(255, 255, 255, 0.8);
}
#mainContent{
    background-color: rgba(255, 255, 255, 0.5);
}