body {
  /* Some styles from Nucleus UI. */
  background-color: white;
  color: rgba(0, 0, 0, 0.870588);
  font-family: 'Open Sans', sans-serif;
  height: 100vh;
  margin: 0;

  /* Columns with even heights. */
  display: flex;
  flex-direction: column;
}

main {
  visibility: hidden;
  display: flex;
  flex-direction: column;
  flex: 3;
}

main select {
  max-width: 100px;
}

.has-sequences main {
  visibility: visible;
}

.has-sequences .overlay {
  visibility: hidden;
}

#controls {
  flex: 1;
  text-align: center;
}

#main-controls {
  float: left;
  display: inline-block;
}

#highlighting-controls {
  display: inline-block;
}

#zoom-controls {
  float: right;
  display: inline-block;
}

#sequence-view {
  display: flex;
  flex: 3;
  background: white;
  color: black;
  flex-direction: column;
}

.overlay {
  color: black;
  text-align: center;
  position: fixed;
  top: 5vh;
  left: 5vw;
  z-index: 999999999;
  width: 90vw;
  height: 90vh;
  display: table;
  font-weight: bold;
  font-size: 48px;
  border-style: dashed;
  border-radius: 25px;
}

#dropzone {
  visibility: hidden;
  color: blue;
}

#droptext {
  display: table-cell;
  vertical-align: middle;
  color: white;
  text-shadow:
    -1px -1px 0 #000,
    1px -1px 0 #000,
    -1px 1px 0 #000,
    1px 1px 0 #000;
}

#instructions {
  margin-top: 8vh;
}