* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.token.selector {
    color: black;
}

.token.property {
    color: black;
}

.token.punctuation {
    color: black;
}

#code {
    overflow: auto;
}
#box{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

@keyframes breath {
     0%, 100% {
         box-shadow: 0 0 4px 3px rgba(26, 255, 179, 0), 0 0 0px 0px #333, 0 0 0px 0px rgba(26, 255, 179, 0);
     }
     25% {
         box-shadow: 0 0 4px 3px #00ff10, 0 0 6px 5px rgba(0,255,27,.3), 0 0 6px 7px #00ff23;
     }
     50% {
         box-shadow: 0 0 4px 3px rgba(26, 255, 179, 0), 0 0 0px 0px #333, 0 0 0px 0px rgba(26, 255, 179, 0);
     }
     75% {
         box-shadow: 0 0 4px 3px #00ff10, 0 0 6px 5px #333, 0 0 6px 7px #00ff23;
     }
 }