header {
    height: 60px;
    line-height: 60px;
    box-sizing: border-box;
    position: fixed;
    width: 100%;
    /* background-color: #110def6b;  */
}

header span.logo {
    margin-right: 40px;
    color: black;
    font-size: 20px;
    width: 17%;
    display: inline-block;
    opacity: 1;
}

header button {
    margin-left: 16%;
  /* opacity: 1; */
}

header span img {
    position: relative;
    left: 56%;
    opacity: 1;
}

ul.select_header_color {
    width: 160px;
    list-style: none;
    position: relative;
    left: 80%;
    top: -20px;
    /* opacity: 1; */
}

ul.select_header_color li {
   height: 20px;
   line-height: 20px;
}

ul.select_header_color li a{
    text-decoration:none;
    color: #110def;
    font-weight: bolder;
}

aside {
    width:17%;
    top: 60px;
    padding-right: 10px;
    position: fixed;
    overflow-y:scroll;
    height: 90%
}
aside div.toc {
    margin-top: 10px;
}

article {
    margin-top: 60px;
    width:80%;
    float:right;
    padding-left: 10px;
}

article .top {
    padding-left: 20px;
    width:200px;
}

article .content {
    padding-left: 20px;
    width:96%;
}

.content .is_file_exists {
    position: relative;
    left: 30%;
    margin-top: 18%;
    width: 300px;
    height: 40px;
    line-height: 40px;
    font-size: 22px;
}

.modal-edit {
    width: 800px;
}

.modal-login {
    width: 400px;
}
