body{
 font-family:"Consolas","Microsoft YaHei"
}

.cnblogs_code pre {
font-family:"Consolas","Microsoft YaHei" !important;
}

.cnblogs_code span {
font-family:"Consolas","Microsoft YaHei" !important;
}

.cnblogs_code textarea{
font-family:"Consolas","Microsoft YaHei" !important;
}
#back-to-top {
    background:url("https://img2020.cnblogs.com/blog/2092803/202104/2092803-20210425162708044-664664718.png") no-repeat center center;
    bottom: 10px;
    box-shadow: 0 0 6px #72a072;
    padding: 5px 10px;
    position: fixed;
    right: 50px;
    border-radius: 8px;
    opacity: 0.7;
}