body {
  background: #050b1e;
  font-family: Arial, sans-serif;
  color: #e0eaff;
}

.container {
  max-width: 450px;
  margin: 40px auto;
  padding: 20px;
  background: #0b153a;
  border-radius: 10px;
  box-shadow: 0 0 15px #1e90ff;
}

h1 {
  text-align: center;
  color: #4da6ff;
}

h2 {
  text-align: center;
  color: #7fbfff;
}

.expense-form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input {
  flex: 1;
  padding: 8px;
  background: #02071a;
  color: #ffffff;
  border: 1px solid #1e90ff;
  border-radius: 5px;
}

button {
  background: #1e90ff;
  color: #fff;
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 5px;
}

button:hover {
  background: #63b3ff;
}

ul {
  padding: 0;
}

li {
  list-style: none;
  background: #02071a;
  margin: 8px 0;
  padding: 10px;
  border-left: 4px solid #1e90ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

li button {
  background: red;
  padding: 4px 6px;
}
 footer {
  text-align: center;
  margin-top: 30px;
  color: #7fbfff;
  font-size: 14px;
}