.loader {
    --color: white;
    --size-mid: 6vmin;
    --size-dot: 1.5vmin;
    --size-bar: 0.4vmin;
    --size-square: 3vmin;
    
    display: block;

    width: 50%;
    display: grid;
    place-items: center;
  }
  
  .loader::before,
  .loader::after {
    content: '';
    box-sizing: border-box;
    position: absolute;
    top: 50%;
  }
  
  .loader.--1::before {
    width: var(--size-mid);
    height: var(--size-mid);
    border: 4px solid var(--color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: loader-1 1s linear infinite;
  }
  
  .loader.--1::after {
    width: calc(var(--size-mid) - 2px);
    height: calc(var(--size-mid) - 2px);
    border: 2px solid transparent;
    border-top-color: var(--color);
    border-radius: 50%;
    animation: loader-1 0.6s linear reverse infinite;
  }
  
  @keyframes loader-1 {
    100% {
      transform: rotate(1turn);
    }
  }
  .item {
    background: rgba(255, 255, 255, 0.1);
    display: grid;
    place-items: center;
    border-radius: 4px;
    transition: opacity 0.4s ease;
  }
  
  html, body {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right top, #051937, #004d7a, #008793, #00bf72, #a8eb12);
    font-family: 'Noto Sans', sans-serif;
    color: white;
    text-align: center;
    letter-spacing: 0.3px;
  }



  nav{
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 20px;
  }
  nav a{
    color: white;
    font-size: 2em;
    text-decoration: none;
    padding: 30px;
  }