*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    color-scheme: light dark;
    width: 100dvw;
    margin: auto;
}

nav {
    background: rgb(117, 117, 117);
    display: flex;
    align-items: center;
}

nav>h1 {
    flex: auto;
}

nav>* {
    display: inline;
    padding: 0.5rem;
    margin: 0;
}

.content {
    background: rgb(117, 117, 117);
    display: none;
    position: absolute;
    right: 0;
    min-width: 10rem;
}

nav :is(span, a):hover {
    font-style: italic;
}

.dropdown {
    position: relative;
    display: inline;
}

.dropdown>span {
    display: block;
    height: 100%;
    padding: 0 0.5rem;
}

.dropdown:hover .content {
    display: block;
}

.content>* {
    display: block;
    padding: 0.5rem;
    width: 100%;
    overflow: auto;
}

nav *:any-link {
    color: inherit;
    text-decoration: inherit;
}

form {
    display: grid;
    grid-gap: 2rem;
    margin: auto;
    width: max-content;
}

form>label {
    grid-column: 1;
}

form>* {
    grid-column: 2;
    width: auto;
}

form>button,
form>input[type="submit"] {
    width: max-content;
}

table,
th,
td {
    border: 1px solid;
    border-collapse: collapse;
    padding: 1rem;
}

thead th,
tfoot th,
tfoot td {
    background: rgb(117, 117, 117);
    border: 3px solid;
}

th,
td {
    padding: 1.5rem;
    border: 1px solid;
}

h1 {
    font-size: xxx-large;
}

h2 {
    font-size: xx-large;
}

main {
    margin: 0 auto;
    width: fit-content
}

.button-group>* {
    margin: 0 1rem;
}

textarea {
    min-height: 10rem;
}