* {
  box-sizing: border-box;
}
html,
body,
#app {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
}

@-webkit-keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.index-html-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right bottom, rgb(200 228 255), rgb(255 255 255));
  z-index: 999999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.index-html-loading-div {
  width: 120px;
  height: 100px;
  max-width: 100px;
  max-height: 100px;
  min-width: 100px;
  min-height: 100px;
  border: 10px solid #ffffff;
  border-radius: 50%;
  display: inline-block;
  animation: rotation 4s linear infinite;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.index-html-loading-div::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 63px;
  height: 63px;
  border-radius: 50%;
  border: 8px solid transparent;
  border-bottom-color: #835947;
}