body {background:url(https://images2015.cnblogs.com/blog/1121495/201705/1121495-20170527075919700-761048535.jpg) no-repeat center center;

background-attachment:fixed;
}
#header,#main,#footer{width:86%;min-width:930px;opacity:0.92;background:#ccc;;margin: 0 auto;}

#header {height:60px;}


#blogTitle {height:60px;background:none;color:#515151;}
#blogTitle h1{margin-left:28px;}
#blogTitle h2{color:yellow;}

#blogTitle a{color:#515151;text-decoration:none;}
#blogTitle a:hover{color:#21759b;}

#mainContent .forFlow {background:none;}

.forFlow {background:none;}

#navigator {
height:50px;
background:none;

}
#navList {font-size: 22px;font-weight:bold;}

#navList li a:link,#navList li a:visited{width:5em; color:#6a6a6a; text-decoration:none; transition: all 0.2s linear 0s;}
#navList li a:hover,#navList li a:active{color:#21759b; font-size: 23px; }
.day {font-size:16px; background:none;padding-bottom:0;}
.dayTitle a:link,.dayTitle a:visited{color:#666;text-decoration:none;}

.postTitle {6px solid #4C9ED9;font-size: 20px;}
.postTitle a:link,.postTitle a:visited{color:#4C9ED9;text-decoration:none; transition: all 0.4s linear 0s;}
.postTitle a:hover{margin-left:40px;}

.c_b_p_desc {font-size:16px;line-height:1.6em; text-indent:2em;}
.c_b_p_desc a {color:rgb(68,205,94);}

#blog_stats {font-size:14px;color:#757575;}
.postDesc{margin-top:0;font-size:14px;}

//日历
#calendar {width:222px;}

#blog-sidecolumn a{color:#075DB3; font-size:15px;}
.topicListFooter a{font-size:16px;color:#000; margin-right:30px; text-decoration:none;}

#profile_block {
    line-height: 2em;
    font-size: 14px;
    font-style: italic;
}
#author_profile_info {
     line-height: 20px;
}

//具体页面的css主体代码--想修改默认字体大小