*  {
    margin: 0;
    padding: 0;
    outline: none;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

html {
    font-size: 16px;
}

body {
    min-height: 100vh;
    font-family: "Atkinson", "Calibri", "Arial", "Verdana", "Tahoma", "Times New Roman";
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 1em;
}

.section-header {
    width: 100%;
}


/* set initial padding */
.content, nav ul, main, h1#page-heading {
    padding: 0.25em;
}

/*  */
header#page-header {
    width: 100%;
    text-align: center;
    padding: 1em 0;
}

/* set max width */
.content, nav ul, h1#page-heading {
    max-width: 1000px;
    margin: 0px auto;
}

ul {
    list-style: none;
}

nav ul {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 1em;
}

nav ul li {
    display: flex;
    justify-content: flex-start; /* horizontal */
    align-items: center; /* vertical */

}

nav ul li a {
    text-decoration: none;
    color: var(--blue-gray-900);
    width: 100%;
    padding: 1rem 1.2em;
}

main {
    width: 100%;
    margin: 0 auto;
    padding: 0.25em;
    flex: 1; /* grow to fill space */
}

.card, .card-large {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 1em;
    box-shadow: rgba(0, 0, 0, 0.24) 0 3px 8px;
    padding: 0.5rem;
    margin: 0 auto 1rem;
    border-radius: 1rem;
    background: #fff;
    width: 100%;
}

.card header {
    text-align: center;
    padding: 0em 0em 0.5em 0em;
}

.card-large {
    padding: 1rem;
    min-width: 400px;
}


.button-group {
    width: 100%;
}

.button-group button {
    
}




/* large phones */
@media (min-width: 480px) {

    .card {
        padding: 0.25rem;
    }

    .card-large {
        padding: 1rem;
    }

    .content, nav ul, main {
        padding: 0.5em;
    }

}

/* small tablets / large phones */
@media (min-width: 600px) {

    .card {
        padding: 0.5rem;
    }

    .card-large {
        padding: 1.25rem;
    }

    .content, nav ul, main {
        padding: 0.75em;
    }

}

/* tablets */
@media (min-width: 768px) {

    .card {
        padding: 0.5rem;
    }

    .card-large {
        padding: 1.5rem;
    }

    .content, nav ul, main {
        padding: 0.75em;
    }

    nav ul {
        flex-direction: row;
    }

}

/* small laptops */
@media (min-width: 1024px) {

    .card {
        padding: 1rem;
    }

    .card-large {
        padding: 2rem;
    }
}

/* desktops */
@media (min-width: 1280px) {

}

/* large desktops / wide monitors */
@media (min-width: 1536px) {
    
}