#countLabel {
    display: block;
    text-align: center;
    font-size: 10em;
    font-family:Helvetica;
}
#btn {
    text-align: center;
}
.button {
    padding: 10px 20px;
    background-color:hsl(214,100%,74%);
    color:white;
    border:none;
    font-size: 1.5;
    border-radius: 5px;
    cursor:pointer;
    transition:background-color 0.25s;
}
.button:hover {
    background-color: hsl(214,100%,56%);
}