body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
    background: black;
    color: white;
    transition: all 0.12s ease;
}

section {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(0, 0, 0, .12);
    height: 100vh;
    width: 100%; 
}

header {
    margin-top: 40px;
    text-align: center;
    width: 100%;
    height: auto;
}

p {
    padding-inline: 10px;
}

button {
    padding: 10px;
    width: 50px;
    height: 50px;
    margin: 80px auto;
    background: rgba(0, 0, 0, .4);
    border-radius: 100%;
    box-shadow: 0px 1px 3px rgba(0, 0, 0, .12);
    cursor: pointer;
    font-weight: bold;
    border: 1px solid #333;
    color: white;
    outline: none;
}

button:hover {
    transform: scale(1.2);
}