@keyframes breathe{0%{box-shadow:0 0 5px #00ff0040,inset 0 0 150px 2px #00ff002e}50%{box-shadow:0 0 5px #00ff0040,inset 0 0 150px 2px #00ff0038}to{box-shadow:0 0 5px #00ff0040,inset 0 0 150px 2px #00ff002e}}@keyframes blink{0%{opacity:1}49%{opacity:1}50%{opacity:.3}99%{opacity:.3}}html,body{background-color:#000;background-image:url(bg.gif);background-position:center;background-repeat:no-repeat;background-size:cover;box-sizing:border-box;font-family:Courier New,Courier,monospace;height:100dvh;width:100dvw;display:flex;align-items:center;justify-content:center}*,*:before,*:after{box-sizing:inherit;margin:0;padding:0}.wrapper{display:grid;position:relative;width:fit-content;margin:0 auto}.header,.footer{position:absolute;left:0;right:0;margin-inline:auto;display:flex;align-items:baseline;justify-content:space-between;width:calc(100% - 15px);margin:0 auto;font-size:20px;font-weight:700;color:#060}.header{top:10px}.footer{bottom:10px}.speed{background-color:transparent;border:none;outline:none;font-family:inherit;font-size:inherit;color:inherit;font-weight:inherit;cursor:pointer}.speed:hover{color:#00b300}.canvas{display:block;background-color:#000000a6;background-image:url(./screen-texture-848357ca.svg);background-position:-1px -1px;border-radius:8px;outline:1px solid #050;touch-action:manipulation}.game-over,.pause{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;font-size:20px;font-weight:700;line-height:1.7;color:#00b300;background-color:#000;border-radius:8px;outline:1px solid #050;padding:15px 35px;z-index:1}:is(.game-over, .pause).hidden{display:none}.game-over__title{font-size:20px;font-weight:600;letter-spacing:2px}.game-over__message{font-size:16px;font-weight:500;margin-block-end:20px}.game-over__btn{display:block;cursor:pointer;color:inherit;font-weight:700;padding:5px 15px;background-color:transparent;border:none;outline:1px solid #050;border-radius:8px;box-shadow:0 0 200px #0f0;animation:blink 1.5s infinite linear}.pause__title{font-size:20px;font-weight:600;letter-spacing:2px;animation:blink 1.5s infinite linear}