Created
April 30, 2021 08:33
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Flexbox-based mobile-first CSS layout
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*{box-sizing: border-box;} | |
img {max-width: 100%;} | |
.row { | |
display: flex; | |
flex-wrap: wrap; | |
} | |
.row .row { | |
margin-left: -.5em; | |
margin-right: -.5em; | |
} | |
.col { | |
flex: 0 1 100%; | |
padding: 0 .5em; | |
} | |
.small-1 {flex: 0 1 calc(100% / 12 * 1)} | |
.small-2 {flex: 0 1 calc(100% / 12 * 2)} | |
.small-3 {flex: 0 1 calc(100% / 12 * 3)} | |
.small-4 {flex: 0 1 calc(100% / 12 * 4)} | |
.small-5 {flex: 0 1 calc(100% / 12 * 5)} | |
.small-6 {flex: 0 1 calc(100% / 12 * 6)} | |
.small-7 {flex: 0 1 calc(100% / 12 * 7)} | |
.small-8 {flex: 0 1 calc(100% / 12 * 8)} | |
.small-9 {flex: 0 1 calc(100% / 12 * 9)} | |
.small-10 {flex: 0 1 calc(100% / 12 * 10)} | |
.small-11 {flex: 0 1 calc(100% / 12 * 11)} | |
.small-12 {flex: 0 1 calc(100% / 12 * 12)} | |
.small-shrink { flex: 0 1 auto; } | |
.small-auto { flex: 1; } | |
.small-hidden {display: none;} | |
.small-horizontal { flex-direction: row; } | |
.small-vertical { flex-direction: column; } | |
.show-in-small-only {} | |
.show-in-medium-only { display: none; } | |
.show-in-large-only { display: none; } | |
@media screen and (min-width: 550px) { | |
.small-hidden {display: block;} | |
.show-in-small-only {display: none;} | |
.show-in-medium-only { display: block; } | |
.show-in-large-only { display: none; } | |
.medium-1 {flex: 0 1 calc(100% / 12 * 1)} | |
.medium-2 {flex: 0 1 calc(100% / 12 * 2)} | |
.medium-3 {flex: 0 1 calc(100% / 12 * 3)} | |
.medium-4 {flex: 0 1 calc(100% / 12 * 4)} | |
.medium-5 {flex: 0 1 calc(100% / 12 * 5)} | |
.medium-6 {flex: 0 1 calc(100% / 12 * 6)} | |
.medium-7 {flex: 0 1 calc(100% / 12 * 7)} | |
.medium-8 {flex: 0 1 calc(100% / 12 * 8)} | |
.medium-9 {flex: 0 1 calc(100% / 12 * 9)} | |
.medium-10 {flex: 0 1 calc(100% / 12 * 10)} | |
.medium-11 {flex: 0 1 calc(100% / 12 * 11)} | |
.medium-12 {flex: 0 1 calc(100% / 12 * 12)} | |
.medium-shrink { flex: 0 1 auto; } | |
.medium-auto { flex: 1; } | |
.medium-hidden {display: none;} | |
.medium-horizontal { flex-direction: row; } | |
.medium-vertical { flex-direction: column; } | |
.medium-order-1 {order: 1;} | |
.medium-order-2 {order: 2;} | |
.medium-order-3 {order: 3;} | |
.medium-order-4 {order: 4;} | |
.medium-order-5 {order: 5;} | |
.medium-order-6 {order: 6;} | |
.medium-order-7 {order: 7;} | |
.medium-order-8 {order: 8;} | |
.medium-order-9 {order: 9;} | |
.medium-order-10 {order: 10;} | |
.medium-order-11 {order: 11;} | |
.medium-order-12 {order: 12;} | |
} | |
@media screen and (min-width: 850px) { | |
.medium-hidden {display: block;} | |
.show-in-small-only {display: none;} | |
.show-in-medium-only { display: none; } | |
.show-in-large-only { display: block; } | |
.large-1 {flex: 0 1 calc(100% / 12 * 1)} | |
.large-2 {flex: 0 1 calc(100% / 12 * 2)} | |
.large-3 {flex: 0 1 calc(100% / 12 * 3)} | |
.large-4 {flex: 0 1 calc(100% / 12 * 4)} | |
.large-5 {flex: 0 1 calc(100% / 12 * 5)} | |
.large-6 {flex: 0 1 calc(100% / 12 * 6)} | |
.large-7 {flex: 0 1 calc(100% / 12 * 7)} | |
.large-8 {flex: 0 1 calc(100% / 12 * 8)} | |
.large-9 {flex: 0 1 calc(100% / 12 * 9)} | |
.large-10 {flex: 0 1 calc(100% / 12 * 10)} | |
.large-11 {flex: 0 1 calc(100% / 12 * 11)} | |
.large-12 {flex: 0 1 calc(100% / 12 * 12)} | |
.large-shrink { flex: 0 1 auto; } | |
.large-auto { flex: 1; } | |
.large-hidden {display: none;} | |
.large-horizontal { flex-direction: row; } | |
.large-vertical { flex-direction: column; } | |
.large-order-1 {order: 1;} | |
.large-order-2 {order: 2;} | |
.large-order-3 {order: 3;} | |
.large-order-4 {order: 4;} | |
.large-order-5 {order: 5;} | |
.large-order-6 {order: 6;} | |
.large-order-7 {order: 7;} | |
.large-order-8 {order: 8;} | |
.large-order-9 {order: 9;} | |
.large-order-10 {order: 10;} | |
.large-order-11 {order: 11;} | |
.large-order-12 {order: 12;} | |
} | |
/* Nav */ | |
nav ul { | |
list-style: none; | |
margin: 0; | |
padding: 0; | |
} | |
/* Make the grid easier to read. Can delete. */ | |
.row { | |
border: 1px solid red; | |
} | |
.col { | |
border: 1px solid blue; | |
padding-top: 1em; | |
padding-bottom: 1em; | |
} | |
.row .row { | |
margin-top: -1em; | |
margin-bottom: -1em; | |
} |
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