ui/app/static/css/style.css

body {
  background-color: #f1f1f1;
}
.column {
  float: left;
  width: 50%;
}
/* Split the screen in half */
.split {
  height: 100%;
  width: 50%;
  position: fixed;
  z-index: 1;
  top: 0;
  overflow-x: hidden;
  padding-top: 20px;
}

/* Control the left side */
.left {
  left: 0;
  background-color: white;
}

/* Control the right side */
.right {
  right: 0;
  background-color: #f1f1f1;
}
.top {
  height: 50vh;
  background-color: #f1f1f1;
}

.bottom {
  height: 50vh;
  background-color: #f1f1f1;
}
/* If you want the content centered horizontally and vertically */
.centered {
  position: absolute;
  top: 50%;
  left: 40%;
  transform: translate(-50%, -50%);
  text-align: center;
  margin: 10;
}

.header_centered {
  position: absolute;
  top: 8%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  margin: 10;
}

/* Style the image inside the centered container, if needed */
.centered img {
  max-width: 140%;
  /*border-radius: 50%;
}