div#load_screen {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background: #033785;
    opacity: 1;
    position: fixed;
    z-index: 999999;
    top: 0px;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100vh;;
    padding: 10px;
    }
    div#load_screen .loader {
      display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    }
      
.loader {
  position: fixed;
  margin-left: -125px;
  width: 10px;
  height: 10px;
  margin-top: 195px;
  box-sizing: border-box;
  animation: shadowRolling 2s linear infinite;
}

@keyframes shadowRolling {
  0% {
    box-shadow: 0px 0 rgba(255, 255, 255, 0), 0px 0 rgba(255, 255, 255, 0), 0px 0 rgba(255, 255, 255, 0), 0px 0 rgba(255, 255, 255, 0);
  }
  12% {
    box-shadow: 100px 0 white, 0px 0 rgba(255, 255, 255, 0), 0px 0 rgba(255, 255, 255, 0), 0px 0 rgba(255, 255, 255, 0);
  }
  25% {
    box-shadow: 110px 0 white, 100px 0 white, 0px 0 rgba(255, 255, 255, 0), 0px 0 rgba(255, 255, 255, 0);
  }
  36% {
    box-shadow: 120px 0 white, 110px 0 white, 100px 0 white, 0px 0 rgba(255, 255, 255, 0);
  }
  50% {
    box-shadow: 130px 0 white, 120px 0 white, 110px 0 white, 100px 0 white;
  }
  62% {
    box-shadow: 200px 0 rgba(255, 255, 255, 0), 130px 0 white, 120px 0 white, 110px 0 white;
  }
  75% {
    box-shadow: 200px 0 rgba(255, 255, 255, 0), 200px 0 rgba(255, 255, 255, 0), 130px 0 white, 120px 0 white;
  }
  87% {
    box-shadow: 200px 0 rgba(255, 255, 255, 0), 200px 0 rgba(255, 255, 255, 0), 200px 0 rgba(255, 255, 255, 0), 130px 0 white;
  }
  100% {
    box-shadow: 200px 0 rgba(255, 255, 255, 0), 200px 0 rgba(255, 255, 255, 0), 200px 0 rgba(255, 255, 255, 0), 200px 0 rgba(255, 255, 255, 0);
  }
}