/*
* selects all elements
All elements: just the selector: e.g. p
id of element: #id: e.g. idWindowThickness
class .class: e.g. .canvas
can also combine: e.g. p.class


*/
#navbar ul {
  list-style: none;
  padding: 0;
  margin: 0px;
  background: transparent;
  overflow: hidden;
  color: White;
}

#navbar a {
  float: right;
  line-height: 50px;
  padding-left: 15px;
  padding-right: 15px;
  padding-top: 0px;
  padding-bottom: 0px;
  color: White;
}

#navbar a:hover {
  background-color: #c71585;
}

#navbar li a {
  float: right;
  line-height: 50px;
  padding-left: 15px;
  padding-right: 15px;
  padding-top: 0px;
  padding-bottom: 0px;
  color: white;
}

#navbar li a:hover {
  background-color: #c71585;
}

#navlink, #navlink:link, #navlink:visited, #navlink:active {
  color: white;
  font-size: 150%;
  font-family: Arial, Helvetica, sans-serif;
}

#navlink:hover {
  color: pink;
  box-shadow: inset 0 -2px 0 0 #fff;
}

.footbar {
  overflow: hidden;
  bottom: 0;
  width: 100%;
}

.footbar a {
  float: left;
  display: block;
  color: lightgray;
  text-align: center;
  padding: 1px 16px;
  text-decoration: none;
  font-size: 12px;
}

.footbar a:hover {
  color: gray;
}

/*lock button to lock a variable*/
.lockBtn {
  color: #EEEEEe;
  font-size: 100%;
  padding: 2px;
  margin-top: 2px
}

.lockBtn:hover {
  color: #337ab7;
}

.unitButton {
  background-color: #EEEEEE;
  border-radius: 4px;
}

.form-control {
  border-radius: 4px;
}

.form-control:focus {
  border-color: rgb(5,46,92);
  box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.075) inset, 0px 0px 8px rgba(40,132,121,0.5);
  transition: 0.2s;
  background: rgba(199,21,133,0.08)
}

.equation {
  font-size: 110%;
  transition: 0.5s;
}

.equation:hover {
  font-size: 160%;
  transition: 0.5s;
  transition-delay: 1.5s;
}

h3 {
  color: white;
}

h4 {
  color: white;
}

body {
  background-repeat: no-repeat;
  background-position: bottom left;
  background-attachment: fixed;
  background-size: cover;
  transition: 0.6s;
  min-width:500px;
}
html body {
  padding-top: 55px;
  padding-left: 0px;
}
.content {
  padding-left:75px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
}

/* Float five columns side by side */
.column {
  float: left;
  width: 20%;
  padding: 0 10px;
}

img {
  max-width: 100%;
  max-height: 100%;
  display: block; /* remove extra space below image */
  opacity: 0.90;
  padding-bottom: 10px;
}


/* Remove extra left and right margins, due to padding */
.row {
  /*margin: 0 -5px;*/
  transition: 1s;
  margin-left: 30px;
  padding-left: 75px;
}

/* Clear floats after the columns */
row:after {
  content: "";
  display: table;
  clear: both;
}

.card {
  /*box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);*/
  transition: 0.3s;
  width: 150px;
  height: 170px;
  color: lightgray;
  border: 3px;
  border-style: dashed;
  border-color: rgb(9,71,84);
  border-radius: 10px;
  text-align: center;
  opacity: 0.5;
  color: rgb(9,71,84);
}

.card:hover {
  text-decoration: none;
}


/*header for section*/
.a1 {
  font-size: 125%;
  color: #052e5c;
  transition: 0.2s;
  margin-left:3%;
  padding-left: 75px;
}

.a1:hover {
  color: rgb(40,132,121);
  cursor: pointer;
  font: bold;
  font-size: 150%;
  transition: 0.2s;
}

/* ========== FLIP CARD FORMAT  ==========*/

.flip-card {
  background-color: transparent;
  width: 150px;
  height: 170px;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.9s;
  transform-style: preserve-3d;
  /*box-shadow: 0 4px 8px 0 rgba(0,0,0,0.4);*/
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px;
  border-radius: 10px;
  box-shadow: 0 6px 12px 0 rgba(0,0,0,0.4);
  border-color: rgb(9,71,84);
  border-style: solid;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  text-align: center;
}

.flip-card-front {
  /*background: linear-gradient(to bottom,rgb(240,240,240) 20%,rgb(220,220,220) 30%, rgb(220,220,220) 90%, rgb(240,240,240) 100% );*/
  background-color: #f2f2f2;
  opacity: 0.9;
  padding: 10px;
  border: 2px;
  border-color: rgb(10,132,121);
  border-style: solid;
}

.flip-card-back {
  background: linear-gradient(150deg,rgb(9,71,84) 0%, rgb(40,132,121) 10%, rgb(40,132,121) 80%, rgb(9,71,84) 100%);
  color: lightgray;
  transform: rotateY(180deg);
  padding: 5px;
  border-color: rgb(9,71,84);
  border-style: solid;
}

.flipCardFrontText {
  /*color: rgb(9,71,84);*/
  color: #1e6969;
  font-size: 200%;
}