body {
  background-color: black;
  color: white;
  font-family: Verdana;
  font-size: 0;
  font-family: "arial", sans-serif;
  margin: 0;
  overflow: hidden;
  text-align: center;
}

html {
  margin: 0;
}

* {
  box-sizing: border-box;
}

/* -------------------------------------------------------- mainbox ---------------- */

.mainbox { 
  height: 99dvh;
  width: 131dvh;
  border-top: 0.5dvh solid #464143;
  border-left: 0.5dvh solid #464143;
  border-right: 0.5dvh solid #191819;
  border-bottom: 0.5dvh solid #191819;
  margin: auto;
  margin-top: 0.5dvh;
  padding: 1dvh;
  background-color: #322f31;
  color: white;
  text-align: center;
  box-sizing: border-box;
  display: grid;
  grid-template-collumns: auto auto auto;
  grid-template-rows: auto auto;
  gap: 1dvh;
  }

/* -------------------------------------------------------- grid top ---------------- */

.gridtop {
  box-sizing: border-box;
  padding: 1dvh;
  font-size: 6dvh;
  line-height: 6dvh;
  text-align: center;
  grid-column: 1 / span 3;
  grid-row: 1 / span 1;
  background-color: black;

  border-top: 0.5dvh solid #191819;
  border-left: 0.5dvh solid #191819;
  border-right: 0.5dvh solid #464143;
  border-bottom: 0.5dvh solid #464143;
}

/* -------------------------------------------------------- grid left  ---------------- */


.gridleft {
  width: 20dvh;
  background-color: black;
  overflow: hidden;
  grid-column: 1 / span 1;
  grid-row: 2 / span 1;
  font-size: 1.5dvh;
  text-align: left;
  padding: 1dvh;
  box-sizing: border-box;

  border-top: 0.5dvh solid #191819;
  border-left: 0.5dvh solid #191819;
  border-right: 0.5dvh solid #464143;
  border-bottom: 0.5dvh solid #464143;
}

.navline1 {
  color: white;
  margin: 0.5dvh;
  text-decoration: none;
}

.navline2 {
  padding-left: 1.5dvh;
  color: white;
  margin: 0.5dvh;
  text-decoration: none;
}

.navline3 {
  padding-left: 4.7dvh;
  color: white;
  margin: 0.5dvh;
  text-decoration: none;
}

.summary1::marker {
  content: "⊞ ";
}

.details1[open] .summary1::marker {
  content: "⊟ ";
}

.summary2::marker {
  content: "┖ ⊞ ";
}

.details2[open] .summary2::marker {
  content: "┖ ⊟ ";
}

.summary2 {
  padding-left: 2dvh;
}
/* -------------------------------------------------------- grid middle ---------------- */

.gridmiddle {
  height: 86dvh;
  width: 86dvh;
  background-color: black;
  box-sizing: border-box;
  font-size: 2dvh;
  padding: 2.5dvh;

  border-top: 0.5dvh solid #191819;
  border-left: 0.5dvh solid #191819;
  border-right: 0.5dvh solid #464143;
  border-bottom: 0.5dvh solid #464143;
}


/* This hides all pages */
.page {
    display: none;
    width: 80dvh;
  height: 80dvh;
  border: none;
  box-sizing: border-box;
  background-color: ;
  margin: auto;
}

/* This displays the page corresponding to the one you clicked on */
:target {
    display: block;
}

.window {
  width: 80dvh;
  height: 80dvh;
  background-color: ;
  border: none;
}

.content {
  width: 97dvh;
  height: 85dvh;
  margin-top: 1dvh;
  margin-bottom: 1dvh;
  font-size: 0dvh;

  box-sizing: border-box;
  border-top: 0.5dvh solid #191819;
  border-left: 0.5dvh solid #191819;
  border-right: 0.5dvh solid #464143;
  border-bottom: 0.5dvh solid #464143;
}

.button {
  height: 3.2dvh;
  width: 15dvh;
  background-color: #5a5354;
  box-sizing: border-box;
  margin: auto;
  display: inline-block;
  color: white;
  text-decoration: none;
  font-size: 1.5dvh;

  border-top: 0.5dvh solid #706968;
  border-left: 0.5dvh solid #706968;
  border-right: 0.5dvh solid #191819;
  border-bottom: 0.5dvh solid #191819;
}

/* -------------------------------------------------------- grid right ---------------- */

.gridright {
  box-sizing: border-box;
  font-size: 0dvh;
  text-align: center;
  grid-column: 3 / span 1;
  grid-row: 2 / span 1;
  background-color: black;
  padding: 1dvh;
  width: 20dvh;

  border-top: 0.5dvh solid #191819;
  border-left: 0.5dvh solid #191819;
  border-right: 0.5dvh solid #464143;
  border-bottom: 0.5dvh solid #464143;
}

.colorbar1 {
  width: 14dvh;
  display: inline-block;
  font-size: 1dvh;
  color: white;
  vertical-align: top;
  margin: 0.5dvh;
}

.colorbar {
  width: 14dvh;
  display: inline-block;
  font-size: 2dvh;
  color: white;
  vertical-align: top;
  margin: 0.5dvh;
  padding: 2dvh;
}

/* -------------------------------------------------------- application ---------------- */


.applicationwindow {
  width: 100dvh;
  height: 100dvh;
  box-sizing: border-box;
  margin: auto;
  background-color: #322f31;
  border-top: 0.5dvh solid #464143;
  border-left: 0.5dvh solid #464143;
  border-right: 0.5dvh solid #191819;
  border-bottom: 0.5dvh solid #191819;
  padding: 1dvh;
  font-size: 2dvh;
}

.topbar {
  background-color: #191819;
  height: 5dvh;
  width: 97dvh;
  padding: 1dvh;
  color: white;
  box-sizing: border-box;
}

.topbarleft {
  text-align: left;
  float: left;
  margin: 0;
}

.topbarright {
  text-align: right;
  float: right;
  margin: 0;
}

.bottombar {
  background: #322f31;
  height: 5dvh;
  width: 97dvh;
  border-top: 0.5dvh solid #191819;
  border-left: 0.5dvh solid #191819;
  border-right: 0.5dvh solid #464143;
  border-bottom: 0.5dvh solid #464143;
  color: #322f31;
  box-sizing: border-box;
}

.nextpagebutton {
  background-color: #322f31;
  box-sizing: border-box;
  margin: auto;
  display: inline-block;
  height: 3.2dvh;
  width: 15dvh;
  margin: 0.5dvh 2dvh 0.5dvh 2dvh;

  border-top: 0.5dvh solid #464143;
  border-left: 0.5dvh solid #464143;
  border-right: 0.5dvh solid #191819;
  border-bottom: 0.5dvh solid #191819;
}

.nextpage {
  color: white;
  text-decoration: none;
  font-size: 1.5dvh;
}

/* -------------------------------------------------------- grid background ---------------- */

.gridtop, .gridleft, .gridmiddle, .gridright {
  background-image: url("../img/bgtest.gif");
  background-size: 20dvh;
}