required CSS ...
.main_container {
height: 46px;
width: auto;
padding: 3px;
margin: 2px;
max-width: 300px;
background-color: #555555;
align-content: center;
}
.container_inner {
height: auto;
border: none;
background-color: #555555;
max-width: 290px;
vertical-align: center;
padding-top: 12px;
padding-left: 10px;
align-content: center;
}
.num_tiles {
width:30px;
height: 30px;
background-color: #888888;
color: #ffffff;
font-size: 22px;
text-align: center;
line-height: 20px;
padding: 3px;
margin: 1.5px;
font-family: verdana;
vertical-align: center;
}
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