html, body {
    height: 100%;
    margin: 0;
}

.grid {
    min-height: 100vh;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-gap: 10px;
}

nav {
    grid-column: span 12; 
}

.cell {
    background-color: rgb(220, 220, 220);
    height: auto!important;
    margin: 8px;
    padding: 20px;
}


.cell.footer {
    grid-column: 1 / -1;
}

aside {
    width: 180%
}

[class*="col"] {
    grid-column-end: span 12;
}

/* Under 600px (typically phones) */
@media only screen and (max-width: 600px) {
    .sm1 { grid-column-end: span 12; }
    .sm2 { grid-column-end: span 6; }
    .sm3 { grid-column-end: span 4; }
    .sm4 { grid-column-end: span 3; }
    .sm6 { grid-column-end: span 2; }
    .sm12 { grid-column-end: span 1; }
}

/* Above 601px (typically tablets) */
@media only screen and (min-width: 601px) {
    .md1 { grid-column-end: span 12; }
    .md2 { grid-column-end: span 6; }
    .md3 { grid-column-end: span 4; }
    .md4 { grid-column-end: span 3; }
    .cmd6 { grid-column-end: span 2; }
    .md12 { grid-column-end: span 1; }
}

/* Above 1025px (typically desktops) */
@media only screen and (min-width: 1025px) {
    .col1 { grid-column-end: span 12; }
    .col2 { grid-column-end: span 6; }
    .col3 { grid-column-end: span 4; }
    .col4 { grid-column-end: span 3; }
    .col6 { grid-column-end: span 2; }
    .col12 { grid-column-end: span 1; }
}

/* Header and nav bar code */
.logo {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 30px;
}

header {
    padding: 20px 40px;
    background: #ccc;
    align-items: center;
}

header h1 {
    grid-column: span 6;
}

header nav {
    grid-column: 7 / span 10;
    justify-self: end;
}

header nav a {
    color: #333;
    margin-left: 10px;
    text-decoration: none;
}
/* Header and nav bar code end */