body {
    background-color: rgba(180, 55, 226, 0.35);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin:0;
    padding:0;
}

main {
    background-color: white;
}
ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content:space-between;
    
}

header{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav {
    background-color: cadetblue;
    padding: 1em;
    flex-grow: 1;
    margin:0 0 0 1em;
    
}

nav ul li {
    background-color: cornflowerblue;
}

nav ul li a {
   display: block;
   text-decoration: none;
   color: white; 
   text-align: center;
   padding: 0.25em;
}

nav ul li a:hover {
    background-color: blueviolet; 
}

#logo img {
    display: block;
}

.cuatro {background-color: rgba(255,255,255,0.5)}

footer{background-color: cadetblue}