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

body {
    min-height: 100vh;
    background-color: black;
    color: whitesmoke;
    font-size: 2rem;
}

nav {
    padding: 1rem;
    background-color: #44B78B;
    color: white;
    font-size: 2rem;
}

main {
    padding: 1rem;
}

section {
    display: flex;
    flex-flow: column;
    gap: 0.5rem;
}

h1,
h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    font-size: 1.5rem;
}

a {
    text-decoration: none;
    color: #81dbb8;
}

a:hover {
    opacity: .85;
}

.banner {
    display: block;
    width: 100%;
    max-width: 800px;
}

.form-with-validation {
    font-size: 1rem;
    padding: 1rem;
    display: flex;
    flex-flow: column;
    gap: 1rem;
}

.form-with-validation div {
    display: flex;
    flex-flow: column;
    gap: 0.5rem;
}

.form-with-validation input {
    padding: 0.25rem;
    max-width: 300px;
}

.form-submit {
    padding: 0.5rem;
    border-radius: 10px;
    width: 125px;
}

.helptext {
    font-size: 1rem;
    margin-left: 1rem;
}

.helptext ul {
    list-style-type: none;
}

.errorlist {
    color: #F00;
    margin-left: 2rem;
}

.errorlist li::marker {
    content: '🚨 ';
}


.logout {
    display: inline-block;
}

.logout-button {
    font-size: 2.5rem;
    background-color: rgb(0, 0, 0, 0);
    border: none;
}

.logout-button:hover {
    opacity: .85;
}

div {
    word-spacing: 0.6rem;
}

div.yao_even_on {
    background-color: #f41010ff;
}

div.yao_odd_on {
    background-color: #29f44bff;
}

div.yao_off {
    background-color: #00000000;
}

.nav-item-container {
    display: grid;
    grid-template-columns: auto;
}

.nav-item-container > div {
    font-size: 2rem;
}

.post  h2 {
    font-size: 2rem;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}