body{
background-image: url("img/fondo.gif");
background-size: cover;
background-position: center;
background-repeat: no-repeat;
background-attachment: fixed;
font-family: Arial, Helvetica, sans-serif;
}

header{
background:#0d6efd;
color:white;
text-align:center;
padding:30px;
}

.card img{
height:120px;
object-fit:contain;
padding:15px;
}

.card{
transition:0.3s;
}

.card:hover{
transform:scale(1.03);
}

.botones{
display:flex;
flex-wrap:wrap;
gap:10px;
justify-content:center;
margin-top:15px;
}

.boton{
transition:0.3s;
}

.boton:hover{
transform:translateY(-6px);
box-shadow:0 10px 15px rgba(0,0,0,0.3);
}

footer{
background:#212529;
color:white;
text-align:center;
padding:20px;
margin-top:40px;
}