body{
    background: rgb(37,37,37);
}
.keyboard {
    background-color: rgb(0, 102, 153);
    text-align: center;
    font-family: 'Roboto', sans-serif;
}

#uppercase:hover, #letter:hover, #key:hover, #special:hover, #backspace:hover, #spacebar:hover, #enter:hover, #shift:hover, #capslock:hover {
    background-color:  rgb(50, 148, 197);
}

#key, #letter {
    display: block;
}

#special {
    display: none;
}

#uppercase {
    display: none;
}

#shift, #capslock {
    font-weight: normal;
}