::-webkit-scrollbar {opacity: 0; width: 0; height: 0; max-width: 0; max-height: 0;}
body {margin: 0; padding: 0;}
body, div, img, tr, td {-ms-user-select: none; -moz-user-select: none; -khtml-user-select: none; -webkit-user-select: none; cursor: inherit; font: inherit; height: inherit; max-height: inherit;}
div {display: inline-block;}
table, tr, td {padding:0; margin:0; border: 0;}

div#mainBG {width: 100%; height: 100%; position: fixed; z-index: -10000; background-color: rgb(231, 234, 235);}
#screen {position: relative; height: 100%;}
#mapBody {position: fixed; width: 100%; height: 100%; }
#menuBody, #mapBody {display: none;}

.layer {z-index: 0;}
.submenu {text-align: center;}