Styles for generator of css colors

body {
    background-color: gray;
    text-align: center;
    display: block;
    margin: 0 auto;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

.result {
    display: none;
}

.line {
    border: 5px solid black;
}

#button {
    border: 2px solid black;
    border-radius: 8px;
    background-color: #999797;
    margin: 10px;
    font-size: 20px;
    width: 150px;
    height: 50px;
}

#button:hover {
    background-color: #adabab;
}

#button:active {
    background-color: #cac6c6;
}

.result {
    border: 5px solid black;
    margin: 30px;
    font-size: 25px;
    border-radius: 8px;
}

#result {
    color: rgb(46, 48, 56);
}

#input {
    margin-top: 10px;
}