* {
    margin: 0;
    padding: 0;
}

.elemento {
    transform: scale(1.5);
    transform-origin: 0 0; 
}

body {
    font-size: 18px;
}

header {
    width: 100%;
    height: 60px;
}

main {
    width: 100%;
    min-height: calc(100vh - 60px);  
    display: flex;
    justify-content: center;
    align-items: center; 
}

.uno {
    min-width: 80%;
    height: 100%;
    padding-bottom: 2%;
}

.dos {
    width: 20%; 
}

footer {
    width: 100%;
    height: 40px;
    flex-shrink: 0;
}