/* HTML: <div class="loader"></div> */
#loader-wrapper{
  position: fixed;
  background:#A9D6E5;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999; /* بالاتر از همه عناصر قرار می‌گیرد */
  display: flex;
  justify-content: center;
  align-items: center;
  /* انیمیشن محو شدن */
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}
#loader-wrapper.hidden {
  opacity: 0;
  visibility: hidden;
}
/* HTML: <div class="loader"></div> */
.loader {
  width: 50px;
  aspect-ratio: 1;
  display: grid;
  border: 4px solid #0000;
  border-radius: 50%;
  border-right-color:#014F86;
  animation: l15 1s infinite linear;
}
.loader::before,
.loader::after {    
  content: "";
  grid-area: 1/1;
  margin: 2px;
  border: inherit;
  border-radius: 50%;
  animation: l15 2s infinite;
}
.loader::after {
  margin: 8px;
  animation-duration: 3s;
}
@keyframes l15{ 
  100%{transform: rotate(1turn)}
}