* {
    font-family: 'Roboto Mono';
    color: rgb(236, 95, 39);
    font-size: 40px;
}

body {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden; 
    background-repeat: no-repeat;
    background-size: cover;
}

#container {
    margin: 0;
    padding: 0;
    background-color: rgb(37, 37, 37);
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(73, 1fr); 
    gap: 0;
    margin: 20px 20px 0px 20px;
}

.row {
    display: contents;
}

#grid button.playing {
    background-color:  rgb(236, 95, 39) !important; 
}

#grid button {
    width: 25px; 
    height: 150px; 
    border: none;
}

#controls {
    display: none;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.not-visible {
    display: none;
}