body{
  overflow: hidden;
}
body > main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - 7rem);
    padding: 1rem 0;
  }
  
  article {
    padding: 0;
    overflow: hidden;
  }
  
  article div {
    padding: 1rem;
  }
  
  @media (min-width: 576px) {
    body > main {
      padding: 1.25rem 0;
    }
  
    article div {
      padding: 1.25rem;
    }
  }
  
  @media (min-width: 768px) {
    body > main {
      padding: 1.5rem 0;
    }
  
    article div {
      padding: 1.5rem;
    }
  }
  
  @media (min-width: 992px) {
    body > main {
      padding: 1.75rem 0;
    }
  
    article div {
      padding: 1.75rem;
    }
  }
  
  @media (min-width: 1200px) {
    body > main {
      padding: 2rem 0;
    }
  
    article div {
      padding: 2rem;
    }
  }
  
  /* Nav */
  summary[role="link"].secondary:is([aria-current],:hover,:active,:focus) {
    background-color: transparent;
    color: var(--secondary-hover);
  }
  
  /* Hero Image */
  article div:nth-of-type(2) {
    display: none;
    background-color: #374956;
    background-image: url("assets/alessio-soggetti-8jeWeKdygfk-unsplash-1000x1200.jpg");
    background-position: center;
    background-size: cover;
  }
  
  @media (min-width: 992px) {
    .grid > div:nth-of-type(2) {
      display: block;
    }
  }
  
  /* Footer */
  body > footer {
    padding: 1rem 0;
  }

  .alert-box {
    margin-bottom: 10px;
    position: fixed;
    z-index: 1;
    left: 50%; 
    bottom: 3vh; 
    margin-right: 5vh;
    transform: translate(-50%);;
}
.alert {
    margin-bottom: var(--spacing);
    padding: var(--form-element-spacing-vertical) var(--form-element-spacing-horizontal);
    border-radius: var(--border-radius);
    color: var(--color);
    background-color: var(--background-color);
    border: 1px solid var(--background-color);
    background-image: var(--icon);
    background-position: center left var(--form-element-spacing-vertical);
    background-size: calc(var(--font-size) * 1.5) auto;
    padding-left: calc(var(--form-element-spacing-vertical) * 2 + calc(var(--font-size) * 1.5));
    
  }
  
  .alert-danger {
    --background-color: #ffebee;
    --icon: var(--icon-invalid);
    --color: #b71c1c;
  }
  
  .alert-warning {
    --background-color: #fff8e1;
    --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='rgba(179, 78, 0, 0.999)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'%3E%3C/line%3E%3C/svg%3E");
    --color: #994300;
  }
  
  .alert-success {
    --background-color: #e8f5e9;
    --icon: var(--icon-valid);
    --color: #1b5e20;
  }