* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html,
  body {
    overflow: hidden;
  }

  
  #three-canvas {
    position: fixed;
    top: 0;
    left: 0;
    outline: none;
    
  }

  #viewer-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
  
  #file-input {
    z-index: 1;
    position: absolute;
  }
 
  .hidden {
    visibility: collapse;
}

/*.side-menu {
  z-index: 1;
  position: fixed;
  background-color: #ffffff;
  height: 8vh;
  width: 100%;
}*/

.loading-overlay {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #f1f1f150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.loading-progress {
  color: black;
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #f1f1f150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hidden {
  display: none;
}