body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th, td {
    text-align: left;
    padding: 8px;
}

tr:nth-child(even) {
    background-color: #D6EEEE;
}

.container {
    max-width: 950px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    font-weight: bold;
}

input[type="text"],
input[type="date"],
input[type="number"],
select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.result {
    margin-top: 15px;
    font-weight: bold;
}

.btn {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.entries {
    tr: nth-child(even)
    {
        background-color: #D6EEEE;
    }
}