:root {
    --text-align: centre;
}


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

a {
    color: #00f
}
header, .grid, footer {
    max-width: 840px;
    margin: 0 auto;
}


nav {
    background-color: steelblue;
    padding: 1rem;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}

nav a {
    display: block;
    padding: 0.5rem;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff; /* shorthand for white */

}

h1 {
    color: darkblue;
    border-bottom: 1px solid #333;
}

main img {
    width: 150px;
    height: auto;
    border: 1px solid black;
    padding: 2px;
    box-shadow: 0 0 30px gray;
    float: right;
}

p {
    padding: 0px;
}

footer {
    background-color: steelblue;
    color: #fff;
    padding: 2rem 1rem;

}

main {
    max-width: 840px;
    grid-column: 2/3;
    margin: 1rem;
}

aside {
    grid-column: 1/2;
    grid-row: 1/2;
    position: relative;
    width: 20rem;
    text-align: var(--text-align)
    
}

aside img {
    width: 200px;
    height: auto;
    text-align: var(--text-align);
}

aside h2 {
    position: absolute;
    top: 47px;
    left: 150px
}

footer {
    margin-top: 15px;
    border-top: 1px solid #000;
    text-align: var(--text-align)
}

ul {
    list-style: none;
    padding: 1rem;
}

/* Class Selectors */
.box {
    border: 1px solid #b71234;
    padding: 1rem;
    margin: 1rem;
    background-color: #cccaca;
    color: #1a044e;
}

.grid {
    display: grid;
    align-items: center;
}