body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
 }
 .cont-padre-all{ 
    display: grid;
    grid-template-rows: 1ft 2fr 1fr ;
    min-height: auto;
    padding-bottom: 0;
}

footer {
    position: fixed;    
    bottom: 0;    
    width: 100%;    
    display: flex;
    background: black;
    justify-content: center;
    align-items: center;
    color:white;
    height: 6vh;
}