body{
color: #FFFFFF;
background: #000000;
}
*:not(input){
text-align:center;
}
input[type="number"]{
font-size: 18px;
}
button{
font-size: 24px;
width: 180px;
height: 80px;
}
table{
    margin: auto;
}
.ex{
	font-size: 18px;
}