body {
background: url(https://i.loli.net/2020/04/16/So41wC9lZVmt6hy.jpg) fixed;

background-size: cover;

background-repeat: no-repeat;
}
.header{
background:none;
}

#home{
background-color:rgba(255,255,255,0.4);
    width: 80%;
}

.post{
background-color:rgba(255,255,255,0.8);
border-radius:10px;
}
#post_detail{
color:black;
}
h1{color:black;}

td{color:black;}

.cnblogs_code pre {
font-family: Courier New!important;
font-size: 30px!important;
word-wrap: break-word;
 white-space: pre-wrap;
}

.cnblogs_code span {
font-family: Courier New!important;
font-size: 30px!important;
line-height: 1.5!important;
}

div {
    display: block;
}