body {
    background-color: gray;
    text-align: center;
    background-size: cover;
    border: 2px;
    border-style: solid;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

footer {
    background-image: url(../img/numbersbg.png);
    padding: 18em;
}


div {
    justify-content: center;
    font-size: 1.3em;
}

#stats {
    font-weight: bold;
}

#feedback {
    font-weight: bold;
}

h1 {
    font-family: 'Gill Sans', 'Gill Sans MT', 'Calibri', 'Trebuchet MS', sans-serif;
}

h2 {
    font-family: Arial, Helvetica, sans-serif;
}

input {
    height: 1em;
    width: 2em;
    border-radius: 1em;
    text-align: center;
    background-color: rgb(170, 170, 170);
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0 auto;
}

button {
    width: 4em;
    height: 2em;
    border-radius: 2em;
    background-color: green;
}