body{background:#212121;color:#cfc6b8}#game{border:1px #cfc6b8 solid;width:90%;height:auto;max-width:640px;max-height:410px;position:relative;margin:0 auto}#game #canvas{width:100%;height:100%}#gui,#lifes{display:flex;flex-wrap:wrap;height:26px;align-items:center}#gui{gap:.5rem}#coin_icon{width:22px;height:22px;display:inline-block;background-position:center;background-size:16px;background-image:url(../assets/coin.png);background-repeat:no-repeat}#coins{width:40px}#lifes>*{width:22px;height:22px;display:inline-block;background-position:center;background-size:22px}#lifes .heart{background-image:url(../assets/heart.png)}#lifes .heart_empty{background-image:url(../assets/heart_empty.png)}#screens{position:absolute;top:0;left:0;height:100%;width:100%}#start_screen,#game_over,#howto{position:absolute;top:50%;left:0;text-align:center;display:block;width:100%;color:#38d973}#start_screen,#game_over{transform:translateY(-50%)}#game_over .title{color:#e6482e}.title{font-weight:700;font-size:3rem;text-shadow:1px 1px 2px black;width:100%}#killed{font-weight:700;font-size:1.3rem;text-shadow:1px 1px 2px black;width:100%}#game_over{display:none}button,.tower_btn{min-width:32px;height:32px;background-color:transparent;background-position:center;background-size:26px;background-repeat:no-repeat;border:0}img{image-rendering:pixelated}#start_game,#goto_start,#show_howto,#close_howto{font-size:1.2rem;border:0;margin:1rem auto;background-color:#38d973;font-weight:700;color:#472d3c;display:block}#start_wave{display:none;position:absolute;background-image:url(../assets/enemy_alert.png)}#tower_select{position:absolute;display:none}#tower_select .tower_btn{width:32px;background-color:#472d3c;color:#fff;height:42px;background-position:top center;position:relative;cursor:pointer}#tower_select .tower_btn .tower_price{width:100%;position:absolute;text-align:center;bottom:0}#tower_select #tower1{background-image:url(../assets/tower.png)}#tower_select #tower2{background-image:url(../assets/tower2.png)}#vel{border-left:1px solid;border-right:1px solid;text-align:center;padding:0 .5rem;cursor:pointer}#howto{background-color:#000000b3;font-size:1.2rem;display:none;top:0;height:100%;flex-wrap:wrap;justify-content:center;align-content:center}#howto div{display:flex;align-items:center;justify-content:center;width:100%;margin:.3rem auto}#howto div img{padding:0 .5rem;height:24px;width:24px}@media (max-height: 420px){#game{max-height:90vh;width:auto}}