/* Estilos generales */
body {
    background-color: lightcyan;
    margin: 0;
    padding: 0;
}

h1 {
    color: blue;
    text-align: center;
    margin-top: 20px;
}

nav {
    background-color: green;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 10px;
}

nav ul li a {
    display: block;
    padding: 10px 20px;
    background-color: orange;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
    font-weight: bold;
}

nav ul li a:hover {
    background-color: #45a049;
}

nav form {
    display: flex;
    gap: 5px;
}

nav ul li.dropdown {
    position: relative;
}

nav ul li.dropdown .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #4CAF50;
    min-width: 180px;
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 1000;
    flex-direction: column;
}

nav ul li.dropdown .dropdown-content li a {
    padding: 10px 20px;
    display: block;
    color: white;
    background-color: #4CAF50;
    border-radius: 0;
}

nav ul li.dropdown .dropdown-content li a:hover {
    background-color: #45a049;
}

nav ul li.dropdown:hover .dropdown-content {
    display: block;
}

table {
    width: 80%;
    margin: 20px auto;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

table th, table td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: center;
}

table caption {
    caption-side: top;
    font-weight: bold;
    margin-bottom: 10px;
    color: black;
}

form {
    width: 80%;
    margin: 20px auto;
    display: flex;
    gap: 10px;
    align-items: center;
}

form input[type="text"], form input[type="search"] {
    flex: 1;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

iframe {
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

canvas {
    display: block;
    margin: 20px auto;
    border: 2px solid #00796b;
    border-radius: 8px;
}

img {
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    max-width: 90%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

select {
    display: block;
    margin: 20px auto;
    padding: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 200px;
}