style.css

* {
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    font-family: 'Press Start 2P', cursive;

    background-color: rgb(65, 18, 18);
    margin: 30px;
}

.container {
    position: relative;
    display: inline-block;
    height: 576px;
    
    
}
canvas {
    box-shadow: -1px 3px 9px 0px rgba(0,0,0,0.75);
    border-radius: 10px;
}

.smallerContainer {
    position: absolute;
    display: flex;
    width: 100%;
    align-items: center;
    padding: 20px;
}

.barContainer {
    position: relative;
    height: 30px;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    border: 2px solid #fafafa;
    box-sizing: border-box;
}

.barBack {
    background: transparent;
    height: 30px;
    width: 100%;

}

.health-bar{
    background: #ac7af7;

    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;

}

#player-health {
    width: 100%;

}

#enemy-health {
    left: 0;
}

#timer {
    border: 2px solid #fafafa;
    width: 100px;
    height: 50px;
    color: white;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;      
}

.finish {
    
    position:absolute;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    visibility: hidden;
    background-color: rgba(0, 0, 0 , 0.50);
}

#again{
    margin-top: 20px ;
    font-size: 0.7rem;

    cursor: pointer;
}

#again:hover {
    color: red;
}