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

body {
  font-family: Arial, sans-serif;
  background-image: url('tu-imagen-de-fondo.jpg');
  background-size: cover;
  background-position: center;
}

header {
  background-color: #7b1e0c;
  color: #fff;
  padding: 1em;
  text-align: center;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1em;
  padding: 1em;
  background-color: black;
  color: white;
}

nav a {
  color: white;
  font-size: 18px;
  text-decoration: none;
}

.dropdown {
  display: inline-block;
  position: relative;
}

.dropdown button {
  background-color: black;
  color: white;
  width: 100%;
  font-size: 18px;
}

nav a:hover {
  color: yellow;
}

.dropdown button:hover {
  color: yellow;
}

.dropdown-content {
  display: none;
  position: absolute;
  width: auto;
  overflow: auto;
  box-shadow: 0px 10px 10px 0px rgba(0, 0, 0, 0.4);
  background-color: white;
  color: black;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-content a {
  display: block;
  color: black;
  padding: 5px;
  text-decoration: none;
}

.dropdown-content a:hover {
  color: #ffffff;
  background-color: yellow;
}

main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding: 20px;
}

.image-box {
  text-align: center;
  padding: 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.image-box img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 10px;
}

footer {
  background-color: #7b1e0c;
  color: #fff;
  padding: 1em;
  text-align: center;
  position: fixed;
  bottom: 0;
  width: 100%;
}

#lema {
  font-style: Arial;
  margin: 1em 0;
}

/* Estilos para dispositivos móviles */
@media only screen and (max-width: 768px) {
  header {
    padding: 0.5em;
  }
  
  nav {
    display: flex;
    flex-direction: column;
  }
  
  nav a {
    padding: 0.5em;
  }
  
  .dropdown button {
    padding: 0.5em;
  }
  
  main {
    padding: 10px;
  }
  
  .image-box {
    padding: 10px;
  }
         /* Estilos adicionales para el formulario de inicio de sesión */
        .login-container {
            max-width: 400px;
            margin: 0 auto;
            padding: 20px;
            background-color: #f9f9f9;
            border: 1px solid #ccc;
            border-radius: 5px;
        }

        .login-container h2 {
            text-align: center;
        }

        .login-container .form-group {
            margin-bottom: 15px;
        }

        .login-container label {
            display: block;
            margin-bottom: 5px;
        }

        .login-container input[type="text"],
        .login-container input[type="password"] {
            width: 100%;
            padding: 8px;
            border: 1px solid #ccc;
            border-radius: 3px;
        }

        .login-container button {
            display: block;
            width: 100%;
            padding: 10px;
            background-color: #007bff;
            color: #fff;
            border: none;
            border-radius: 3px;
            cursor: pointer;
        }

        .login-container button:hover {
            background-color: #0056b3;
        }

        .error-message {
            color: #ff0000;
            font-weight: bold;
            margin-bottom: 15px;
        }
            .login-container {
      max-width: 400px;
      margin: 50px auto;
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
      padding: 20px;
    }

    .login-container h2 {
      margin-top: 0;
      text-align: center;
      color: #333;
    }

    .login-container form {
      display: flex;
      flex-direction: column;
    }

    .login-container label {
      margin-bottom: 8px;
      color: #333;
    }

    .login-container input[type="text"],
    .login-container input[type="password"] {
      padding: 10px;
      margin-bottom: 20px;
      border: 1px solid #ccc;
      border-radius: 5px;
      font-size: 16px;
    }

    .login-container input[type="submit"] {
      padding: 12px;
      background-color: #333;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      font-size: 16px;
    }

    .login-container input[type="submit"]:hover {
      background-color: #555;
    }

    footer {
      background-color: #333;
      color: white;
      text-align: center;
      padding: 10px;
      position: fixed;
      bottom: 0;
      width: 100%;
    }
}