#mainContent {
    width: 70%;
    margin: auto;
    position: relative;
    margin-top: 2.5em;
    z-index: 20;
}
.postTitle{
 background: #555555;
    padding: .4em;
    position: absolute;
    right: 100%;
    margin-top: 7px;
    width: 9em;
    font-size: 1.1em;
}
/*左上角log*/
#blogTitle .title a:hover {
    background: #555555;
    color: #FBFBFB;
}
#blogTitle .title a:first-letter {
    color: #555555;
}
/*导航栏*/
#navList li a:hover {
    background: #555555;
    color: #FBFBFB;
}
/*阅读全文*/
.postBody a:hover, .postCon a:hover {
    background: #FBFBFB; 
    color: #555555;
}
.postBody a, .postCon a {
    color: #555555;
    text-decoration: none;
}
/*编辑*/
.postDesc a {
    color: #555555;
}
/*左下角部分*/
#leftcontentcontainer li a {
    color: #555555;
    text-decoration: none;
    display: block;
    padding: .3em;
}
#leftcontentcontainer li a:hover {
    background: #FBFBFB;
    color: #555555;
}