body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    background-color: #b7f6b5;
}

.contenedor {
    display: flex;
    height: 100vh;
}

.menu {
    width: 220px;
    background-color: #333;
    color: white;
    padding: 20px;
}

.menu li {
    padding: 10px;
    cursor: pointer;
}

.menu ul {
    list-style: none;
    padding: 0;
}

.menu li:hover {
    background-color: #37474f;
}

.contenido {
    flex: 1;
    padding: 30px;
}

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

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

th {
    background-color: #333;
    color: white;
}

button {
    padding: 6px 12px;
    background-color: #333;
    color: white;
    border: none;
    cursor: pointer;
}

input {
    padding: 6px;
    margin: 5px;
}