* {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

body {
  background-color: #f4f4f4;
  color: #333;
  padding: 20px;
}

h1 {
  color: #333;
  font-size: 2rem;
  margin-bottom: 10px;
}

p {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

a {
  color: #007bff;
  text-decoration: none;
  margin-top: 10px;
  display: inline-block;
}

a:hover {
  text-decoration: underline;
}

button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 10px;
  transition: background-color 0.1s ease;
  border-radius: 5px;
}

button:hover {
  background-color: #0056b3;
  color: #fff;
}

.alert {
  background-color: #f8d7da;
  color: #721c24;
  padding: 2rem;
  padding-y: 4rem;
  margin-bottom: 10px;
  border-radius: 5px;
  width: 50%;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  z-index: 9999;
}

.background-blur {
  background-color: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px);
  webkit-backdrop-filter: blur(4px);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9998;
}

.key {
  font-size: 1.5rem;
  font-weight: 900;
  color: #000;
  filter: blur(12px);
  display: inline-block;
  margin-right: 10px;
  transition: filter 0.2s ease, color 0.2s ease, font-weight 0.2s ease;
}

.key:hover {
  filter: blur(0);
  font-weight: 300;
  color: #007bff;
}