#body_index {background-color:#d7d9d8;overflow:hidden;max-width:100vw;padding:0;}
            #index_logo span{background-color:#000;color:#fff;}
            #center_outer{display:table;position:absolute;top:0;left:0;height:100%;width:100%;}
            #center_middle{display:table-cell;vertical-align:middle;}
            #center_inner{margin-left:auto;margin-right:auto;overflow:hidden;width:80vw;display:flex;font-size:calc(3vh + 3vw);}
            #index_container{width:80vw;display:flex;align-items:center;justify-content:space-between;}
            #index_logo{line-height:1.1em;float:left;padding-bottom:.5em;padding-right:.5em;}
            #index_logo>span+span{-webkit-animation:blink .8s infinite step-start;-moz-animation:blink .8s infinite step-start;animation:blink .8s infinite step-start;}
            .topnav {/*text-transform:uppercase;*/line-height:.8em;white-space:nowrap;/*background-color:blue;*/float:left;}
            .topnav a{background-color: rgba(128,128,128,30%);}
            @media (orientation: portrait) {#center_inner{flex-direction:column;}.topnav{float:left;clear:left;}#index_container{display:block;}}
            @media (orientation: landscape) {#center_inner{flex-direction:row;}}