body {
  font-family: Arial, sans-serif;
  background: #f0f2f5;
  margin: 0;
  padding: 0;
}

.main-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 40px;
}

.card {
  
  background: white;
  /* padding: 20px; */
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  width: 300px;
}

.bo {
  text-align: center;
  padding: 0rem 1rem;
}

.po {
  text-align: center;
  padding: 0rem 1rem;
}

.card h2 {
  margin-top: 10px;
}

input[type="text"],
input[type="number"],
input[type="password"] {
  width: 100%;
  padding: 10px 0px;
  padding-left: 5px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  margin: 10px 0px;
}

.btn-group button.green {
  background-color: #28a745;
  color: white;
}

.btn-group button.red {
  background-color: #dc3545;
  color: white;
}

.btn-group {
  display: flex;
  justify-content: space-between;
}

.card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 15px auto 0;
  display: block;
  border: 2px solid #007bff;
}

#output {
  padding: 20px;
  text-align: center;
}

.ot,
#history {
  /* background-color: #dc3545; */
  display: flex;
  justify-content: center;
  gap: 10px;
}

/* #history{
  display: flex;
  justify-content: center;
} */

.text{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}