body {
    font-family: Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    background-color: #34495e;
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 20px;
}

.image {
    width: 100%;
    max-width: 790px;
    height: 250px;
    margin: 20px auto;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 15px black;
}
.image img {
    width: 110%;
    height: 250px;
    object-fit:cover;
    margin-left: 0px;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.btn-empezar {
    background-color: #2c3e50; 
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    font-size: 1.2em;
    transition: background-color 0.3s ease;
    display: inline-block;
}

.btn-empezar:hover {
    background-color: #34495e; 
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}