body {
    background-color: black;
    margin: 0;
    overflow: hidden;
    background-image: url(https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcREJDF4UO4HkJnKPLJ-FG-bteAzNQajUFwOfg&usqp=CAU);
}
.container {
    position: relative;
    width: 100%;
    height: 100px;
    overflow: hidden;
}

.bullet {
    position: absolute;
    background-color: rgb(231, 9, 9);
    height: 5px;
    width: 30px;
    bottom: 0px;
    border-bottom-right-radius: 80%;
    border-top-right-radius: 80%;
}

#vessel {
    position: relative;
    width: 2000px;
    height: 450px;
    overflow: hidden;
}

.moving-element {
    position: absolute;
    width: 100px;
    height: 60px;
    border-top-left-radius: 40%;
    border-bottom-left-radius: 40%;
    background-image: url(https://res.cloudinary.com/drp10qxxj/image/upload/v1718987896/enemyspaceship-Photoroom_swnbzn.png);
    background-size: cover;
}

#plane {
    height: 150px;
    width: 150px;
    top: 100px;
    left: 50px;
    border-radius: 40%;
    border-top-left-radius: 70%;
    border-top-right-radius: 70%;
    border-bottom-left-radius: 70%;
    border-bottom-right-radius: 70%;
    background-image: url(https://res.cloudinary.com/drp10qxxj/image/upload/v1718987897/spaceship-Photoroom_ffsx00.png);
    background-size: cover;
    position: absolute;
}

#background {
    border-top: solid 3px white;
}

/* Styles for Game Over message and restart button */
#game-over {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 40px;
    text-align: center;
    border: solid 2px white;
    border-radius: 10px;
}

#restart-button {
    background-color: #008CBA;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

#score {
    position: absolute;
    top: 30px;
    left: 40px;
    color: rgb(225, 9, 9);
    font-size: 24px;
}

#start-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding-left: 40px;
    padding-right: 40px;
    padding-bottom: 40px;
    text-align: center;
    border-radius: 10px;
    border: solid 2px white;
    display: block;
}

#start-instructions {
    font-size: 18px;
}

#start-button {
    background-color: #008CBA;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}