body {
    font-family: helvetica;
    max-width: 75em;
    margin: auto;
  }

hr {
  margin-top: 10px;
  margin-bottom: 10px;
  border-top: 2px black;
}

select {
  font-size: 25px;
  margin-bottom: 25px;
  /* border: none; */
}


/*Navigation start */
.topNavClass {
    /*background-color: #333;*/
    overflow: hidden;
    background-image: url("images/header.png");
    margin-bottom: 10px;
}

.topNavClass a {
    color: white;
    padding: 14px 16px;
    text-decoration: none;
    text-align: center;
    font-size: 30px;
    display: block;
    float: left;
}

.topNavClass a.hover {
  background-color: #ddd;
  color: black;
}

.topNavClass a.active {
  background-color: #4CAF50;
  color: white;
}

/*Navigation end */

/*Jumbotron start */
.jumbotron {
  padding-top: 15px;
  padding-bottom: 30px;
  margin-bottom: 30px;
  color: inherit;
  background-color: #eee;
  padding-left: 10px;
}
.jumbotron h1,
.jumbotron .h1 {
  color: inherit;
}
.jumbotron p {
  margin-bottom: 15px;
  font-size: 21px;
  font-weight: 200;
}
.jumbotron > hr {
  border-top-color: #d5d5d5;
}

/*Jumbotron end */

.indexContent a:link, .indexContent a:visited {
  background-color: grey;
  color: black;
  padding: 14px 25px;
  text-align: center; 
  text-decoration: none;
  display: inline-block;
  margin-bottom: 5px;
}

.indexContent a:hover, .indexContent a:active {
  background-color: black;
  color: white;
  margin-bottom: 5px;
}

.mainCols {
  position: relative;
  min-height: 1px;
  padding-right: 15px;
  padding-left: 15px;
  border-style: solid;
  margin-bottom: 10px;
}

/*Nitrox Calculator start */
.OxygenPartialPressureCenter {
  text-align: center;
}

.NitroxCalcTable {
  width: 100%;
  text-align: center;

}

.NitroxCalcTable td {
  width: 50%;
  
}

.NitroxCalcButtonsTable {
  width: 100%;
  text-align: center;

}

.NitroxCalcButtonsTable td {
  width: 33%;
}

.NitroxCalcButtons {
  font-size: 21px;
  
}

.NitroxCalcResultText {
  text-align: center;

}

.NitroxCalcWarningtTextRed {
  text-align: center;
  color: red;
}

.NitroxCalcWarningtTextOrange {
  text-align: center;
  color: orange;
}

.NitroxCalcButtonsTable{
  margin-bottom: 20px;
}

/*Nitrox Calculator end */

/*Nitrox EAD Calculator start */
.NitroxEADPageDiv {
  text-align: center;
  margin-bottom: 10px;
}

.NitroxEADCalcButtons {
  font-size: 25px;
  margin-bottom: 20px;
}




/*Nitrox EAD Calculator end */

/*Trimix Calculator start */
.trimixCalcMainTableDiv {
  width: 100%;
  content: "";
  display: table;
  clear: both;
  height: 100%;
}

.trimixColumn {
  float: left;
  width: 32%;
  padding: 0.4%;
  display: table-cell;
  height: 100%;
}

.trimixFirstCell {
  float: left;
  width: 32%;
  padding-right: 0.8%;
  background-image: url("images/halbeTaucherFlascheGrau.png");
  background-repeat: no-repeat;
  background-size: contain;
  /*display: table-cell; */
  height: 100%;
}

.trimixOxygenBox {
  border: 2px;
  border-style: solid;
  border-color: grey;
  margin-bottom: 1px;
}

.trimixheliumBox {
  border: 2px;
  border-style: solid;
  border-color: darkorange;
  margin-bottom: 1px;
}

.trimixNitrogenBox {
  border: 2px;
  border-style: solid;
  border-color: black;
  margin-bottom: 1px;
}

.TrimixSelectBoxes {
  margin-left: 1px;
}

.oxygenfiller{
  position : relative;
  border-style: none;
  background-color: white;
  left : 0.3%;
  display: block;
  
}

.heliumfiller{
  position : relative;
  border-style: none;
  background-color: orange;
  left : 0.3%;
  display: block;
}

.nitrogenfiller{
  position : relative;
  border-style: none;
  background-color: black;
  left : 0.3%;
  display: block;

}

.thirdCellBoxes {
  border: 2px;
  border-style: solid;
  border-color: black;
  margin-bottom: 1px;
}


/*Trimix Calculator end */