.isg-ub-container {
max-width: 900px;
margin: auto;
text-align: center;
}
#isg-ub-game-area {
position: relative;
display: inline-block;
}
.isg-ub-game-wrapper {
text-align: center;
}
.isg-ub-image-wrapper {
position: relative;
display: inline-block;
}
#isg-ub-game-image {
display: block;
-webkit-user-drag: none;
user-select: none;
}
#isg-ub-game-canvas {
position: absolute;
left: 0;
top: 0;
pointer-events: auto;
cursor: crosshair;
user-select: none;
} #isg-ub-start-btn.isg-ub-disabled{
opacity: 0.6;
cursor: not-allowed;
}