body {background-image:url(background260.jpg);}

table {border:6px outset #0AF3EF;
margin:auto;
margin-top:100px;
 background: rgb(155,255,239);
background: radial-gradient(circle, rgba(155,255,239,1) 0%, rgba(10,243,239,1) 100%); 
border-radius:10px;
}

td {height:100px;
width:100px;
align-items:center;
text-align:center;}

button {height:90px;
width:90px;
border-radius:100%;
outline:3px solid #BB49F7;
border:10px #1666F3 outset;
}

button:active {
border:10px #1666F3 inset;}