body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  text-align: center;
  padding: 20px;
  max-width: 800px;
  margin: 0 auto;
  background-color: #2b2b2b;
}

h1,
h2 {
  color: #DFDFDF;
  font-weight: bold;
}

p {
  margin-bottom: 100px;
  color: #DFDFDF; 
}

pre {
  background-color: #f4f4f4;
  border: 1px solid #ddd;
  padding: 10px;
  font-family: 'Courier New', monospace;
  overflow-x: auto;
}

a {
  display: inline-block;
  background-color: #535353;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 20px
}

b {
  color: #DFDFDF;
}

a:hover {
  background-color: #636363;
}

button {
  appearance: none;
  background-color: #000000;
  border: 2px solid #1A1A1A;
  border-radius: 15px;
  box-sizing: border-box;
  color: #FFFFFF;
  cursor: pointer;
  display: inline-block;
  font-family: Roobert, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-size: 12px;
  font-weight: 600;
  line-height: 140%;
  margin: 0;
  min-height: 60px;
  min-width: 0;
  outline: none;
  padding: 20px 24px;
  text-align: center;
  text-decoration: none;
  transition: all 300ms cubic-bezier(.23, 1, 0.32, 1);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  width: 90%;
  will-change: transform;
  margin-bottom: 20px;
}

button:disabled {
  pointer-events: none;
}

button:hover {
  box-shadow: rgba(0, 0, 0, 0.25) 0 8px 15px;
  transform: translateY(-2px);
}

button:active {
  box-shadow: none;
  transform: translateY(0);
}

.hidden {
  display: none;
}

#toggle-content {
  font-size: 16px;
  padding: 10px 20px;
  background-color: #6c757d;
  color: #ffffff;
  border: none; 
  cursor: pointer; 
  user-select: none; 
  border-radius: 5px; 
  text-align: center;
  display: block;
  margin: auto;
  width: 300px;
  transition: all 0.2s ease; 
}

#toggle-content:hover {
  background-color: #5a6268; 
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); 
}

#langbox {
  font-size: 16px;
  padding: 10px 20px;
  background-color: #2b2b2b;
  color: #ffffff;
  border: none; 
  text-align: center;
  display: block;
  transition: all 0.2s ease; 
  display: inline-block;
}

small {
  color: #DFDFDF;
}

.center-div {
  display: flex;
  justify-content: center;
  align-items: center;
}

.textboxcenter {
  text-align: left;
}