/* Stylesheet
––––––––––––––––––––––––––––––––––––––––––––––––––*/
html {
  font-family: "Open Sans", sans-serif;
  background-color: hsla(240, 7%, 81%, 0.15);
  color: #222;
}

.container {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding: 0 10px;
  box-sizing: border-box;
}

.volume_assembly {
  width: 90vmin;
  height: 90vmin;
  display: grid;
  grid-template-columns: 25% 25% 25% 25%;
  grid-template-rows: 80px auto;
  background-color: #999;
}

.volume_main {
  grid-column-start: 1;
  grid-column-end: 5;
}

.change_color {
  color: white;
  background-color: black;
  float: right;
}

/* For devices larger than 400px */
@media (min-width: 400px) {
  .container {
    padding: 0 15px;
  }
}

h2 {
  max-width: 75rem;
  margin: 0 auto;
  text-align: center;
  font-size: 2.5rem;
  line-height: 1.2;
}

h4 {
  font-size: 1.5rem;
  letter-spacing: -0.08rem;
  text-align: center;
  margin: 0 1rem 1rem 1rem;
}

.surface {
  width: 90vmin;
  height: 90vmin;
  background-color: #999;
}

.fermi_grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 30px 80vmin 30px 20px;
  grid-column-gap: 5px;
  grid-row-gap: 5px;
  margin-top: 5px;
  margin-bottom: 5px;
  margin-left: 5px;
  margin-right: 5px;
  width:98hmax;
  height:98vmin;
}

.dim_slider {
  display: grid;
  grid-template-columns: 90px auto;
  background-color: #979;
}

.gradient_div {
  grid-column: 1/4;
  display: grid;
  background-image: linear-gradient(to right, rgb(0,255,255), rgb(255,0,0));
  grid-template-columns: auto auto;
}

.fermi_slider {
  grid-column: 1 / 4;
  background-color: #797;
  display: grid;
  grid-template-columns: 90px auto;
}

.fermi_controls {
  grid-column: 1 / 3;
  background-color: #979;
}

.grid9 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: repeat(4, 30%);
  grid-column-gap: 10px;
  grid-row-gap: 10px;
  margin-top: 10px;
  margin-bottom: 10px;
  margin-left: 10px;
  margin-right: 10px;
  width:98vmin;
  height:98vmin;
}

.grid9_item {
  background-color: #999;
}
.grid9_explanation {
  top: 50%;
  left: 20px;
  right: 20px;
  background: black;
  color: white;
  padding: 20px;
  resize: vertical;
  overflow: auto;
}
.grid9_slider {
  width: 25vmax;
}

.intro-text {
  max-width: 40rem;
  margin: 0 auto;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 17px;
  line-height: 1.7;
}

.container__header {
  margin: 3rem 0;
  text-align: center;
}

.container__viz {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  background-color: #ffffff;
  padding: 2rem 0;
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: 0.25rem;
}

.container__footer {
  margin: auto 0;
  padding: 3rem 0;
  text-align: center;
  font-size: 17px;
  line-height: 1.7;
}

.column {
  margin: 0 1rem;
  width: 48%;
}

.viz {
  width: 100%;
  height: 80vh;
  background-color: #bab5b5;
  border-radius: 0.25rem;
}

.caption {
  margin: 1rem 1rem 0 1rem;
  min-height: 86px;
}

.caption-top-row {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: baseline;
}

.caption-row {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: baseline;
  height: 30px;
  font-size: 16px !important;
}

.protein-level {
  border: 0;
  color: #f6931f;
  font-weight: bold;
  margin-left: 5px;
  max-width: 30px;
}

.protein-slider {
  width: 300px;
  margin: 0 auto;
}

#protein {
  margin: 0;
}

#slider {
  margin: 0 !important;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  white-space: nowrap;
}

input[type="checkbox"] {
  display: inline;
}

.checkbox-col {
  display: flex;
  flex-direction: column;
}

span {
  margin-left: 5px;
  padding: 2px;
  border-radius: 0.25rem;
}

span > span {
  margin-left: 0;
  color: #fff;
}

.catspan {
  margin: 2px;
  padding: 3px;
}

select {
  /* height: 38px; */
  padding: 6px 10px; /* The 6px vertically centers text on FF, ignored by Webkit */
  background-color: #fff;
  border: 1px solid #d1d1d1;
  border-radius: 4px;
  box-shadow: none;
  box-sizing: border-box;
  margin-left: 10px;
  width: 300px;
}