* {
  box-sizing: border-box;
  margin: 5px;
  padding: 0;
}           
body {
    max-width: 50rem;
    margin: 1rem auto;
    padding: 2rem 1.5rem;
    background-color: #fffdfa; /* Fondo tipo tarjeta/papel */
    color: #333;
    font-size: 1.125rem;
    line-height: 1.5;
    border: 1px solid #969191;
    border-radius: 12px;  
    box-shadow: 0 2px 12px 2px #bbb;
    text-align: left;
    font-family: "Segoe UI", "Arial", sans-serif;
    font-weight: 490;
}
h1 {
    font-size: 2rem;
    color: #8b4513;
    margin-bottom: 0.5rem;
    font-weight: 300;
}
h2 {
    font-size: 1.5rem;
    color: #a0522d;
    margin-bottom: 0.5rem;
    font-weight: 300;
}
h3 {
    font-size: 1.4rem;
    color: #d2691e;
    margin-bottom: 0.5rem;
    font-weight: 400;

}
h4 {
    font-size: 1.2rem;
    color: #cd853f;
    margin-bottom: 0.5rem;
    font-weight: 450;
}
h1, h2, h3, h4 {
    font-family: "Segoe UI", "Arial", sans-serif;
    margin-bottom: 0.5rem;
	  border-radius: 10px;
	  padding: 15px;
	  color:brown;
    
}


header {
    text-align: center;
    background-color: #f0f0f0;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    margin-bottom: 2rem;
}
footer {  
    margin-top: 3rem;
    margin-bottom: 0;
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
    text-align: center;
    background-color: #f0f0f0;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}
 a:link { 
    text-decoration: underline;
    color: black;
}
a:hover {
    color: rgb(189, 39, 59);
}

img {
    display: block;
    margin: 1rem auto;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid #ccc;
}