#loading-bg {
  background: #080604;
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image:
    linear-gradient(rgba(212,160,23,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,160,23,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.loading-logo {
  position: absolute;
  top: calc(40% - 40px);
  left: calc(50% - 40px);
}
.pre-loading {
  position: absolute;
  box-sizing: border-box;
  border: 3px solid transparent;
  block-size: 55px;
  border-radius: 50%;
  inline-size: 55px;
  top: calc(40% + 50px);
  left: calc(50% - 27.5px);
}
.pre-loading .effect-1,
.pre-loading .effect-2,
.pre-loading .effect-3 {
  position: absolute;
  box-sizing: border-box;
  border: 3px solid transparent;
  block-size: 100%;
  border-inline-start: 3px solid #d4a017;
  border-radius: 50%;
  inline-size: 100%;
}
.pre-loading .effect-1 { animation: rotate 1s ease infinite; }
.pre-loading .effect-2 { animation: rotate-opacity 1s ease infinite 0.1s; }
.pre-loading .effect-3 { animation: rotate-opacity 1s ease infinite 0.2s; }
.pre-loading .effects  { transition: all 0.3s ease; }
@keyframes rotate {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(1turn); }
}
@keyframes rotate-opacity {
  0%   { opacity: 0.1; transform: rotate(0deg); }
  100% { opacity: 1;   transform: rotate(1turn); }
}