html {
    font-size: 40px;
}

body {
    background-color: #121212;
    color: #ffffff;
    font-family: Arial, sans-serif;
    font-size: 1.125rem;
}

h1 {
    color: #ffffff;
    text-align: center;
    padding: 1.875rem 0;
    font-size: 1.75rem;
}

.reload {
    text-decoration: none;
    color: green;
}

form {
    max-width: 80%;
    margin: 0 auto;
    padding: 1.5625rem;
    background-color: #1f1f1f;
    font-size: 1.125rem;
}

.user-container {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.user-label {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    margin: 0;
    background-color: #2c2c2c;
    border-radius: 0.3125rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: auto;
    flex: 0 1 auto;
}

.user-label:hover {
    background-color: #3c3c3c;
}

.user-label input[type="checkbox"]:checked + span,
.user-label input[type="checkbox"]:checked {
    color: white;
}

.user-label input[type="checkbox"]:checked {
    border-color: #4CAF50;
}

.user-label.checked {
    background-color: #2e5a32;
    border-color: #4CAF50;
}

.user-label.checked:hover {
    background-color: #367239;
}

.user-label input[type="checkbox"] {
    margin-right: 0.5rem;
}

input[type='email'], select {
    width: 100%;
    padding: 0.9375rem;
    margin: 0.9375rem 0;
    border: none;
    background-color: #2c2c2c;
    color: #ffffff;
    border-radius: 0.1875rem;
    font-size: 1.125rem;
}

input[type='button'] {
    width: 100%;
    padding: 0.5rem;
    margin: 0.3rem 0;
    border: none;
    background-color: #4CAF50;
    color: #ffffff;
    cursor: default;
    border-radius: 0.1875rem;
    font-size: 1.125rem;
}

input[type="submit" i] {
    padding: 0.5rem;
    margin: 0.3rem 0;
    border: none;
    background-color: #4c80e4;
    color: #ffffff;
    cursor: default;
    font-size: 1.125rem;
    display: inline;
}

input[type='button']:hover {
    background-color: #45a049;
}

div.date { 
    display: block;
    font-weight: bold;
}

div.time {
    display: inline;
}

form.startTime {
    display: inline;
    padding-left: 5px; padding-right: 5px;
}

form.startTime input[type='submit'] {
    border-radius: 0.3125rem;
}

.info {
    max-width: 80%;
    margin: 1.875rem auto;
    padding: 1.5625rem;
    background-color: #1f1f1f;
    border-radius: 0.3125rem;
    font-size: 1.125rem;
}

.error {
    color: #ff4d4d;
    font-weight: bold;
    font-size: 1.125rem;
}

@media screen and (min-width: 1000px) {
    html {
        font-size: 16px;
    }
}