body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
}

.three-container{
    max-height: 100vh;
  width: 100%;
  height: 100%
  min-height: 200px;
  display: :block;
  padding: 0;
  margin: 0;


}