#pre-loader {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  transition: opacity 1s;
}

.pre-loader__block {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
}

.spinner {
  position: relative;
  width: 3.5em;
  height: 3.5em;
}

.spinner::before,
.spinner::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: block;
  margin: auto;
  content: "";
  border-style: solid;
  border-width: 0.12em;
  border-radius: 50%;
}

@keyframes rotate-animation {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes anti-rotate-animation {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(-360deg);
  }
}

.spinner.spinner-1::before {
  width: 100%;
  height: 100%;
  border-top-color: transparent;
  border-right-color: currentColor;
  border-bottom-color: currentColor;
  border-left-color: transparent;
  animation: rotate-animation 1s linear 0s infinite;
}

.spinner.spinner-1::after {
  width: 80%;
  height: 80%;
  border-top-color: transparent;
  border-right-color: currentColor;
  border-bottom-color: currentColor;
  border-left-color: transparent;
  animation: anti-rotate-animation 0.85s linear 0s infinite;
}