body, html {
  height: 100%; 
  margin: 0;
  display: flex;
  justify-content: center; 
  align-items: flex-start;
  font-family: 'Kanit', sans-serif;
}

.logo-group {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 0px;
}

.logo-img {
  max-width: 150px;
  height: auto;
}

.container h2 {
  margin-top: 0;
}

.container {
  text-align: center;
  width: 100%;
  max-width: 600px; 
  padding-top: 20px; 
  font-size: 24px;
}

.custom-btn-green, .custom-btn-yellow, .custom-btn-blue {
  color: #fff;
  padding: 15px 30px;
  border: none;
  border-radius: 15px;
  cursor: pointer;
  margin: 10px auto;
  font-size: 22px;
  width: 100%;
  max-width: 500px;
  white-space: normal;
  word-break: keep-all;
  box-sizing: border-box;
  font-family: 'Kanit', sans-serif;
  display: block;
  text-align: center;
}

.custom-btn-green {
  background-color: #259b24;
}

.custom-btn-green:hover {
  background-color: #127a02;
}

.custom-btn-yellow {
  background-color: #622A1F;
}

.custom-btn-yellow:hover {
  background-color: 945131	;
}

.custom-btn-blue {
  background-color: #3700FF;
}

.custom-btn-blue:hover {
  background-color: #0056b3;
}