美化结果
具体的代码样子
.cnblogs-markdown pre{
box-shadow: rgba(0, 0, 0, 0.55) 0px 0px 5px !important;
}
.cnblogs-markdown pre:before{
content: ‘‘;
display: block;
background: url(https://images.cnblogs.com/cnblogs_com/echolun/1775155/t_20052715354197e4eed2-a992-4976-acf0-ccb6fb34d308.png?a=1590593770539);
height: 35px;
width: 100%;
background-size: 40px;
background-repeat: no-repeat;
background-color: #fff;
margin-bottom: -7px;
border-radius: 5px;
background-position: 10px 10px;
}