body {
    font-family: Arial, sans-serif;
    background-color: #f0f8ff;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

h2, h3 {
    text-align: center;
    color: #1e90ff;
}

form {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

label {
    margin-bottom: 5px;
    color: #1e90ff;
}

input, select, button {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #1e90ff;
    border-radius: 5px;
}

button {
    background-color: #1e90ff;
    color: #fff;
    cursor: pointer;
}

button:hover {
    background-color: #4682b4;
}

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

table, th, td {
    border: 1px solid #1e90ff;
}

th, td {
    padding: 10px;
    text-align: left;
}

th {
    background-color: #1e90ff;
    color: #fff;
}

@media (max-width: 600px) {
    .container {
        width: 100%;
    }
}

#search_user {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #1e90ff;
    border-radius: 5px;
}

.button-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.menu-button,
.logout-button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #1e90ff;
    color: white;
    border: none;
    border-radius: 5px;
}

.menu-button:hover,
.logout-button:hover {
    background-color: #4682b4;
}