*{
    box-sizing: border-box;
    
}
body{
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
}
.container{
    width: 400px;
    margin: 50px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}
h2, h3{
   text-align: center;
}
.balance{
    margin:  20px 0;
    text-align: center;
}
.inc-exp-container{
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
  padding: 10px;
  background: #f8f8ff;
  border-radius: 6px;
}
.inc-exp-container div{
    text-align: center;
    flex: 1;
}
.money .plus{
    color: green;
}
.money .minus{
    color: red;
}
.list{
    list-style-type: none;
    padding: 0;
    margin-bottom: 20px;
}
.list li{
    background: #fff;
    display: flex;
    justify-content: space-between;
    padding: 10px;
    margin: 8px 0;
    border-radius: 4px;
    border-right: 5px solid;
}
.list li.plus{
    border-color: green;
}
.list li.minus{
    border-color: red;
}
form input{
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}
form button{
    width: 100%;
    padding: 10px;
    background: #5c6bc0;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
form button:hover{
    background: #3f51b5;
}
.delete-btn {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 4px;
}