html, body {
    margin: 0 !important;
    background-color: black;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

@font-face {
    font-family: Russo;
    src:url("../fonts/RussoOne.ttf");
}

.split {
    height: 100%;
    width: 50%;
    position: fixed;
    z-index: 1;
    top: 0;
}

.left {
    left: 0;
    border-right: 1px red solid;
}

.right {
    right: 0;
}


#game_bar {
    position: relative;
    width: 100%;
    background-color: #00000000;
}

#score {
    font-family: Russo;
    display: inline-block;
    margin-left: 15px;
    font-size: 72px;
    color: white;
}

#power_up_timer {
    font-family: Russo;
    display: inline-block;
    font-size: 32px;
    color: hotpink;
    vertical-align: top;
    margin-left: 15px;
}

#pause {
    float: right;
    margin-right: 15px;
    margin-top: 15px;
    width: 36px;
    height: 36px;
}

#multiplier {
    font-family: Russo;
    float: right;
    margin-right: 15px;
    margin-top: 15px;
    font-size: 32px;
    color: yellow;
}

#popup{
    background-color:rgba(255,255,255,.4);
    cursor:pointer;
    display:none;
    height:100%;
    position:fixed;
    text-align:center;
    top:0;
    width:inherit;
    z-index:10000;
}
#popup #helper{
    display:inline-block;
    height:100%;
    vertical-align:middle;
}

#popupContent {
    background-color: #000;
    box-shadow: 10px 10px 60px #444;
    display: inline-block;
    height: auto;
    max-width: 551px;
    min-height: 100px;
    vertical-align: middle;
    width: 60%;
    position: relative;
    border-radius: 8px;
    padding: 15px 5%;
}

#menu {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

img {
    max-width: 100%;
    height: auto;
}

.btn {
    height: auto;
    font-family: Russo;
    border: 1px white solid;
    border-radius: 10px;
    box-shadow: 5px 5px 10px white;
    padding: 15px;
    font-size: 32px;
    max-width: 400px;
    color: white;
    background-color: black;
    cursor: pointer;
    text-align: center;
}