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

:root {
    --active: lightgray;
    --primary: white;
    --gap: 0.5rem;
    --margin: 0.5rem;
    --padding: 0.5rem;
}

html {
    height: 100%;
}

body {
    background-color: var(--active);
}


header {
    background-color: white;
}

#menu {
    background-color: var(--primary);
}

#menu ul {
    padding: 0;
}

#menu li {
    display: block;
    flex-grow: 1;
}

#menu a.button {
    width: 100%;
    height: 50px;
    font-size: 2rem;
}

.button {
    display: inline-block;
    text-align: center;
    text-decoration: none;
    color: black; /*optional*/
}

#menu .active a {
    color: orange;
    background-color: var(--active);
    border-bottom: none;
    font-weight: bold;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: sans-serif;
    height: 100%;    
}


.wrapper {
    display: flex;
}

.wrapper__header {
    justify-content: center;
}

.wrapper__row {
    flex-direction: row;
}

.wrapper__col {
    flex-direction: column;
}

.project-card .wrapper__content {
    flex-direction: row;
}

p {
    padding: 1rem;
}


.page__404 h1 {
    font-size: 8rem;
}

.page__404 p {
    font-size: 2rem;
}

footer {
    background-color: grey;
    width: 100%;
    margin-top: auto;
    flex-grow: 0;
}

footer ul {
    display: flex;
    list-style: none;
    width: 100%;
    padding: 1rem;
    margin: 0;
    align-items: center;
}
footer li:first-child {
    flex: 1 1 auto;
    text-align: left;
}
footer li:nth-child(2) {
    flex: 0 0 auto;
    margin: 0 auto;
    text-align: center;
}
footer li:nth-child(3) {
    flex: 1 1 auto;
    text-align: right;
}