. {
    padding: 0;
    margin: 0;
    width: auto;
    height: auto;
}

html {
    background: #3399ff;
    font-family: 'Roboto', sans-serif;
}

header {
    height: 4em;
    background:black;
    padding: 0 2em 0 2em;
    font-weight: 400;
    text-transform: capitalize;
    font-size: 1rem;
    margin-bottom: 2em;
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    margin:0;
}

	

body > header > nav > ul{
    
    
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin-right: 3em;
    }
nav {
    text-align: left;
    color: aliceblue;
}

h2 {
    text-align: center;
    color: black;
}

section { 
    text-align: center;
    width: auto;
    height: auto;
}

nav {
    background-color: black;
    color: white;
    width: 100%;
}

nav ul {
    display: flex;
    flex-direction: row;
    width: 100%;
    padding: 0;
}

nav ul li {
    display: flex;
    flex-grow: 1;
    justify-content: center;
}

nav ul li a {
    color: white;
    display: flex;
    text-decoration: none;
    height: 4em;
    align-items: center;
}

li:hover {
    color: darkgrey;
    background-color: #3399ff;
}

section {
    text-align: center;
    color: aliceblue;
}

footer {
    background: black;
    color: white;
    padding: 2px;
}