* {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
}

h1 {
    text-align: center;
    color: #333;
    margin: 20px 0;
    font-size: 32px;
}

h2 {
    color: #333;
    margin: 20px 0 10px 0;
    font-size: 20px;
}

.container {
    width: 900px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    border: 1px solid #ccc;
}

form {
    margin-bottom: 30px;
}

label {
    display: block;
    font-weight: bold;
    margin: 10px 0 5px 0;
    color: #333;
}

input, select {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #999;
    font-size: 14px;
    font-family: Arial;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    margin: 10px 0;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background-color: #45a049;
}

table {
    width: 100%;
    margin: 20px 0;
    background-color: white;
    font-size: 14px;
}

table th {
    background-color: #4CAF50;
    color: white;
    text-align: left;
    padding: 10px;
    font-weight: bold;
}

table td {
    padding: 8px;
    border-bottom: 1px solid #ddd;
}

table tr:hover {
    background-color: #f5f5f5;
}

p {
    margin: 15px 0;
    font-size: 14px;
}

#total {
    font-weight: bold;
    color: #4CAF50;
}

#emptyMsg {
    text-align: center;
    color: red;
    font-weight: bold;
}
    margin-top: 10px;
    opacity: 0.5;
}

.hidden{
    display: none;
}