body 
{   background-color: #000000;  
    color: #ffffff;   
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;    
    font-size: 50px;   
    margin: 0; 
} 
#left-panel {
    width: 20%;
    height: 100%;
    background-color: #2b2b2b;
    position: absolute;
    left: 0;
    top: 0;
}

#right-panel {
    width: 20%;
    height: 100%;
    background-color: #2b2b2b;
    position: absolute;
    right: 0;
    top: 0;
}

#container 
{   display: flex;  
    justify-content: space-between; 
    margin: 0; 
    position: absolute;
    top: 50%;  
    -ms-transform: translateY(-50%);  
    transform: translateY(-50%);  
    float: left; 
} 

#shop1
{   width: 250px; 
    height: 645px; 
    background-color: #2b2b2b; 
    float:left;   vertical-align: top;  
    margin: 0; 
}

#gameWindow
{     background-color: #242424;  
    width: 865px;   
    height: 645px;   
    margin: 0 auto;   
    top:0;   
    bottom: 0;  
    left: 0;   
    right: 0;   
    vertical-align: top;  
    overflow: auto;
}

#leaderBoard 
{     /* styling for the leader board table */   
        width: 80%;  
    margin: 0 auto;   
    text-align: center;  
    font-size: 20px;  
    color: #ffffff; }

#shop2
{   width: 250px; 
    height: 645px; background-color: #2b2b2b;  
    float:right;   vertical-align: top;  
    margin: 0; }  a {   text-decoration:none;  
   color:#FFF; } 
.rainbow-button {  
    width:calc(20vw + 10px);  
    height:calc(8vw + 10px); 
    background-image: linear-gradient(90deg, #00C0FF 0%, #FFCF00 49%, #FC4F4F 80%, #00C0FF 100%); 
    border-radius:5px;  
    display:flex;  
    align-items:center; 
    justify-content:center;  
    text-transform:uppercase;  
    font-size:3vw;   font-weight:bold; 
    margin-bottom: 260px; } .rainbow-button:after 
{   content:attr(alt); 
    width:20vw;  
    height:8vw;  
    background-color:#191919;  
    display:flex; 
    align-items:center;  
    justify-content:center; } .rainbow-button:hover 
{   animation:slidebg 2s linear infinite; } 
@keyframes slidebg 
{   to {     background-position:20vw;   } }

#startButton
{     position: absolute;  
    top: 50%; 
    left: 50%;  
    transform: translate(-50%, -50%);   
    width: 300px;    
    height: 100px;  
    background-color: #2b2b2b;  
    border: 2px solid #ffffff;   
    border-radius: 5px;  
    text-align: center;  
    font-size: 25px;     
    color: #ffffff;  
    cursor: pointer; }  
hr  {     border: 0;   
    margin: 0;  
    height: 1px; 
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(255, 255, 255, 1), rgba(0, 0, 0, 0)); }