body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #c0f0ff, #e6faff);
    margin: 0;
    padding: 0;
}
header {
    background-color: #0077aa;
    color: white;
    padding: 15px;
    display: flex;
    align-items: center;
}
header img {
    height: 40px;
    margin-right: 15px;
}
nav {
    background-color: #005f88;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    color: white;
}
nav .menu {
    display: none;
}
nav a {
    color: white;
    text-decoration: none;
    margin-right: 10px;
}
footer {
    background-color: #0077aa;
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    width: 100%;
    bottom: 0;
}
.container {
    padding: 20px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
table, th, td {
    border: 1px solid #0077aa;
}
th {
    background-color: #009fd1;
    color: white;
}
td, th {
    padding: 8px;
    text-align: center;
}
textarea, input {
    padding: 5px;
    margin: 5px 0;
}
button {
    background-color: #0077aa;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #005f88;
}
@media (max-width: 600px) {
    nav .menu {
        display: block;
    }
}