*{
    box-sizing: border-box;
}


#loader{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh; 
    background-color: #FFFFFF;
}

#loader-logo{
    margin: 1rem auto;
    width: 6rem;
    height: 6rem;
}

.ring{
    position: absolute;
    width: 6.5rem;
    height: 6.5rem;
    border-radius: 50%;
    animation: ring 2s linear infinite;
}

@keyframes ring {
    0%{
      transform: rotate(0deg);
      box-shadow: 1px 2px 2px #000000;
    }
    50%{
      transform: rotate(180deg);
      box-shadow: 1px 2px 2px #a5a5a5;
    }
    100%{
      transform: rotate(360deg);
      box-shadow: 1px 2px 2px #0d0d0d;
    }
  }
  .ring:before{
    position: absolute;
    content: '';
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    border-radius: 50%;
  }