body {
    background-color: rgba(126, 217, 87, 1.0);
    color: #222;
    font-family: 'Trebuchet MS', sans-serif;
    font-size: 16px;
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

h1, h2, h3 {
    color: rgb(72, 72, 72);
}

p {
    color: rgb(104, 104, 104);
}

a {
    color: rgb(72, 72, 72);
    font-weight: bold;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.error {
    color: #d32f2f;
    margin-bottom: 1em;
}

.header {
    background: #2c3e50;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

footer {
    padding: 10px 0;
    text-align: center;
    font-size: 0.7em;
}

button {
    display: inline-block;
    width: 100%;
    font-size: 0.8em;
    color: #fff;
    background: rgb(72, 72, 72);
    padding: 10px 20px;
    margin: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    color: rgb(72, 72, 72);
    background: #fff;
    border-color: rgb(72, 72, 72);
    border-width: 1px;
}