@media screen and (max-height: 640px) {
    .container.container-single{
        padding-top: 3px !important;
    }
}
#gamebox {
    margin: 0;
    padding: 0;
    justify-content: center;
    align-items: center;
    font-size:18px;
    color:#fff;
    width: 750px;
    height: 440px;
    position: relative;
}

#gameCanvas{
	background: #161c1c; 
	display: block; 
	margin: auto; 
}
::-webkit-scrollbar {
	width: 0px;
}

#gameOver {
    display: none;
    top: 0px;
    margin: 0 auto;
    width: 750px;
    height: 440px;
    text-align: center;
    vertical-align: middle;
    position: absolute;
    background: rgba(22, 28, 28, 0.95);
    z-index: 2;
}
#gameOver #msg {
    font-family: Arial;
    font-size: 24px;
    color: #ccc;
    margin: 0 auto;
    margin-top: 160px;
    font-weight: bold;
}
#gameOver #scoreGameOver {
  font-family: Arial;
  font-size: 24px;
  color: #ccc;
  margin: 0 auto;
  margin: 20px 0px 30px 0px;
}
#restartbtn {
    display: block;
    margin: 16px auto;
    width: 120px;
    padding: 6px;
    background-color: #00BB00;
    font-family: Arial;
    font-size: 24px;
    color: red;
    border-radius: 10px;
    text-decoration: none;
    cursor: pointer;
}