body::before{content:"";display:block;background:url("../image/bg2.jpg") no-repeat center/cover;width:100vw;height:100vh;position:fixed;top:0;left:0;z-index:-1}a:link,a:visited{color:#f5f5f5;text-decoration:underline;-webkit-text-decoration-color:silver;text-decoration-color:silver}a:hover{color:#e26e6e}h2{border-bottom-color:darkred}thead .style_th,tfoot .style_th{background-color:darkred}