* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background-color: #f4f4f4;
  padding: 20px;
}

.container {
  max-width: 500px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px #ccc;
}

h2, h3, h4 {
  margin-bottom: 10px;
}

#balance {
  font-size: 2rem;
  margin: 10px 0;
}

.inc-exp-container {
  display: flex;
  justify-content: space-between;
  background: #eee;
  padding: 10px;
  margin: 20px 0;
  border-radius: 5px;
}

.inc-exp-container div {
  text-align: center;
  width: 45%;
}

.money {
  font-size: 1.2rem;
}

.plus {
  color: green;
}

.minus {
  color: red;
}

form {
  margin-bottom: 20px;
}

.form-control {
  margin-bottom: 10px;
}

.form-control label {
  display: block;
  margin-bottom: 5px;
}

input, select {
  width: 100%;
  padding: 8px;
  border: 1px solid #aaa;
  border-radius: 5px;
}

.btn {
  width: 100%;
  background: #333;
  color: #fff;
  padding: 10px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.btn:hover {
  background: #555;
}

#search {
  padding: 8px;
  border-radius: 5px;
  width: 100%;
  margin-bottom: 20px;
  border: 1px solid #aaa;
}

.list {
  list-style-type: none;
  padding: 0;
}

.list li {
  background: #f9f9f9;
  padding: 10px;
  margin-bottom: 8px;
  border-left: 5px solid;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 5px;
}

.list li.plus {
  border-color: green;
}

.list li.minus {
  border-color: red;
}

.delete-btn {
  background: crimson;
  color: white;
  border: none;
  padding: 5px 8px;
  border-radius: 3px;
  cursor: pointer;
}

.delete-btn:hover {
  background: darkred;
}