body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

nav {
    background-color: #4886d8;
    padding: 10px;
}

nav a {
    color: white;
    margin-right: 10px;
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.calendar {
    width: 100%;
    border-collapse: collapse;
}

.calendar th, .calendar td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
}

.holiday, .sunday {
    color: red;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

form {
    margin: 20px 0;
}

input, select, textarea {
    margin: 5px;
    padding: 5px;
}

button {
    padding: 5px 10px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

.flashes {
    list-style: none;
    padding: 0;
    color: red;
}