:root {
  --bg: #000000;
  --text: #FFFFFF;
  --danger: #FF0000;
  --banner-bg: #AA0000;
  --banner-text: #EEEEEE;
}
BODY { padding: 0px; margin: 0px; width: 100%; height: 100%; } 
.env-full { width: 100%; height: 100%; }
.env-wide { width: 100%;}
BODY, TD { background-color: var(--bg); color: var(--text); }
.btn-std-size { width: 140px;}
.text-vcenter { display: flex; vertical-align: middle; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-danger { color: var(--danger); }
.object-center { margin: auto; display: block; }
.float { position: absolute; }
.login-table { position: absolute; width: 300px; height: 260px; margin-left: -150px; margin-top: -130px; top: 50%; left: 50%; }
.header { position: absolute; top: 0px; left: 0px; right: 0px; text-align: left; background-color: var(--banner-bg); color: var(--banner-text); padding: 2px 6px 2px 6px; margin: 0px; }
.footer { position: absolute; bottom: 0px; left: 0px; right: 0px; text-align: right; background-color: var(--banner-bg); color: var(--banner-text); padding: 2px 6px 2px 6px; margin: 0px; }