body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #35424a;
    color: #ffffff;
    padding: 10px 0;
    text-align: center;
}

h1 {
    margin: 0;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

form {
    background: #ffffff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

input[type="text"],
input[type="url"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: #35424a;
    color: #ffffff;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background: #45a049;
}

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

.table th,
.table td {
    border: 1px solid #ddd;
    padding: 8px;
}

.table th {
    background-color: #35424a;
    color: white;
}

.table tr:nth-child(even) {
    background-color: #f2f2f2;
}

.table tr:hover {
    background-color: #ddd;
}