#page-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
}
/* fluid width */
body>div.uk-container.uk-container-center{
width: auto;
}
body>div.uk-container.uk-container-center>div.uk-grid>div[class*=uk-width-].main_content{
width: calc(100% - 230px);
}
/* fluid width */
body>div.uk-container.uk-container-center{
width: auto;
  div#site_header  h1 {
    position: relative;
}
div#site_header  h1 a {
    line-height: 80px;
    margin-left: 80px;
    padding-left: 20px;
}
div#site_header h1 a:before {
    position: absolute;
    content: "";
    width: 80px;
    height: 80px;
    background-image: url(https://img.wiki3.jp/tyukyucola/IMG_2303.png?i=417956);
    display: block;
    background-size:80px 80px;
    top: 0;
}
}
body>div.uk-container.uk-container-center>div.uk-grid>div[class*=uk-width-].sidebar.left_side {
width: 210px;
}

body>div.uk-container.uk-container-center>div.uk-grid>div[class*=uk-width-].sidebar.left_side+.main_content {
width: calc(100% - 450px);
}

body>div.uk-container.uk-container-center>div.uk-grid>div[class*=uk-width-].sidebar.right_side {
width: 210px;
}