* {
  box-sizing: border-box;
}

body {
  background: linear-gradient(to bottom, #2d2d2d, #1a1a1a); /* Dark background gradient */
  font-family: Arial, Helvetica, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  padding: 20px;
}

h1 {
  color: #3498db; /* Blue heading color */
}

p {
  text-align: center;
  color: #ecf0f1; /* Light text color */
}

.btn {
  color: #ecf0f1; /* Light text color */
  background: linear-gradient(to right, #2ecc71, #3498db); /* Green to blue button gradient */
  cursor: pointer;
  border-radius: 5px;
  font-size: 18px;
  padding: 10px 25px;
  border: none;
}

.btn2 {
  color: #ecf0f1; /* Light text color */
  background: linear-gradient(to right, #2ecc71, #3498db); /* Green to blue button gradient */
  cursor: pointer;
  border-radius: 5px;
  font-size: 18px;
  padding: 10px 20px;
  border: none;
  width: 100%;
}

.money-img {
  width: 150px;
}

.currency {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.currency select {
  padding: 10px 20px 10px 10px;
  border: 1px solid #3498db; /* Blue border */
  font-size: 16px;
  color: #2ecc71; /* Green text color */
  background: #2c3e50; /* Dark background */
  font-weight: 600;
}

.currency input {
  border: 1px solid #2ecc71; /* Green border */
  background: transparent;
  font-size: 30px;
  text-align: right;
  color: #ecf0f1; /* Light text color */
  width: 100%;
}

.swap-rate-container {
  margin: 25px 0px 10px 0px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rate {
  color: #ecf0f1; /* Light text color */
  font-size: 16px;
  padding: 0 10px;
}

select:focus,
input:focus,
button:focus {
  outline: 0;
}

#amount-two {
  width: 100%;
  padding: 4px 16px;
  text-align: right;
  font-size: 25px;
  border: 1px solid #2ecc71; /* Green border */
}

@media (max-width: 600px) {
  .currency input {
    width: 200px;
  }
}