* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
    color: #404040;
}

.menu-navegacion {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ffffff;
    border: 1px solid #cccccc;
    padding: 16px;
    box-shadow: 0 0 16px rgba(0, 0, 0, 0.1);
  }
  
.menu-item {
    flex: 1;
    text-align: center;
}

.card {
    width: 100%;
    max-width: 800px;
    margin: 16px auto;
    padding: 24px;
    background-color: #ffffff;
    border: 1px solid #cccccc;
    border-radius: 8px;
    box-shadow: 0 0 16px rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

p {
    line-height: 150%;
}

button {
    color: #ffffff;
    background-color: #9003d3;
    border: none;
}

button, select {
    margin: 16px 0;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
}

button:hover {
    background-color: #650196;
}

a {
    text-decoration: none;
    color: #9003d3;
}

a:hover {
    text-decoration: underline;
    color: #650196;
}

@media screen and (max-width: 768px) {
    .menu-navegacion {
        flex-direction: column;
    }

    .menu-item {
        flex: none;
        text-align: left;
        padding: 16px;
    }
}