.divcontainer {
  padding: 0;
  margin: -200px auto auto auto;
  font-size: 16px;
  width:150px;
  -webkit-border-radius: 10px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.5);
  overflow:hidden; 
  z-index:9999;  
  position:absolute;
  left:50%;
  top:50%;
}

main {
  left: 50%;
  top: 50%;
  width: 1px;
  height:1px;
  margin: 4em auto;
  z-index:9999;
  }
  main.loaded {
    transition: opacity 0.25s linear;
    opacity: 1; }
  main header {
    width: 100%; }
    main header > div {
      width: 50%; }
    main header > .left,
    main header > .right {
      height: 100%; }
  main .loaders {
    width: 200px;
    box-sizing: border-box;
    display: flex;
    flex: 0 1 auto;
    flex-direction: row;
    flex-wrap: wrap; }
    main .loaders .loader {
      box-sizing: border-box;
      display: flex;
      flex: 0 1 auto;
      flex-direction: column;
      flex-grow: 1;
      flex-shrink: 0;
      flex-basis: 25%;
      max-width: 25%;
      height: 200px;
      align-items: center;
      justify-content: center; }