body{
    background-color: #F0F4F8;
    width: 920px; 
    margin: 0 auto; 
    padding: 24px; 
}
header{
    background-color: #2980B9;
    color: white;
    font-weight: bold;
    text-align: center;
    border-radius: 10px;
}
main{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    margin: 0 auto;
    
}
.tarjeta div{
    display: grid;
    grid-template-columns: repeat(2,auto);
    grid-template-rows: repeat(4,auto);
    border-bottom: 1px solid gray;
    background-color: white;
    max-width: 350px;
    margin-left: 10px;
}





.tarjeta h1{
    background-color: #DAE4F8;
    color: #2980B9;
    border-top: 3px solid #2980B9;
    margin-left: 10px;
    text-align: center;
}

.tarjeta img{
    width: 30px;
    margin-left: 10px;
}

#vali,#nombre{
    color: #2980B9;
} 
footer{
    border-top: 1px solid black;
    text-align: center;
    color: #2980B9;
    background-color: #F0F4F8;
    margin: 20px;
}