body{font-family:Arial;margin:0;}

header{
background:#5B0F2F;
color:white;
padding:20px;
text-align:center;
}

.grid{
display:flex;
flex-wrap:wrap;
justify-content:center;
}

.card{
width:300px;
margin:15px;
box-shadow:0 0 5px gray;
}

.card img{
width:100%;
}

#chatbot{
position:fixed;
bottom:20px;
left:20px;
width:320px;
background:white;
box-shadow:0 0 10px gray;
}

#chat-header{
background:#5B0F2F;
color:white;
padding:10px;
}

#chat-body{
height:220px;
overflow-y:auto;
padding:10px;
}

.whatsapp{
position:fixed;
bottom:20px;
right:20px;
background:green;
color:white;
padding:15px;
text-decoration:none;
}
.post-imagen {
    width: 100%;
    overflow: hidden;
}

.post-imagen img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}