main.css

:root {
      --accent: #F18260;
      --purple: #252431;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background: #eee;
      color: var(--purple);
      padding: 10% 5%;
      font-family: system, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      line-height: 1.4;
    }

    .form-container {
      position: relative;
      background: #fff;
      padding: 2rem;
      border-radius: 6px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      width: 350px;
      min-height: 300px;
      margin: 0 auto;
      box-shadow: 0 10px 50px 0 #ccc;
      margin-bottom: 2rem;
    }

    input, button {
      appearance: none;
      border: none;
      font-size: inherit;
      background: #eee;
      border-radius: 3px;
      padding: 1rem;
      width: 100%;
    }

    input {
      margin-bottom: 1rem;
    }

    input:focus {
      outline: 1px solid var(--accent);
    }

    button {
      color: #fff;
      cursor: pointer;
      background-color: var(--purple);
    }

    button:hover {
      background-color: var(--accent);
    }

    .is-hidden {
      display: none !important;
    }

    a {
      display: block;
      width: max-content;
      margin: 0 auto;
      color: var(--accent);
      text-decoration: none;
      margin-bottom: 0.5rem;
    }

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

    @keyframes dash {
     0% { stroke-dasharray: 1,200; stroke-dashoffset: 0; }
     50% { stroke-dasharray: 89,200; stroke-dashoffset: -35; }
     100% { stroke-dasharray: 89,200; stroke-dashoffset: -124; }
    }

    .loading {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .loading-spinner {
      width: 50px;
      height: 50px;
    }

    .loading-spinner svg {
      position: relative;
      animation: rotate 2s linear infinite;
      height: 50px;
      width: 50px;
    }

    .loading-spinner circle {
      stroke: var(--accent);
      stroke-dasharray: 1,200;
      stroke-dashoffset: 0;
      stroke-linecap: round;
      animation: dash 1.5s ease-in-out infinite;
    }