main.css

.main-container {
    display: flex;
    justify-content: space-evenly;
    position: relative;   
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-left: 7%;
}

.sound-box{
    position: relative;
    width: 100%;
}

.img-container {
    display: flex;
    justify-content: center;
    position: relative;
    width: 100%;
}

.key {
    position: absolute;
    border: 0px rgba(0, 0, 0, 0);
    background-color: rgba(0, 0, 0, 0); 
    border-radius: 50%;
}

.key1 {
    width: 16%;
    height: 30%;
} 

.key2 {
    width: 12%;
    height: 22%;
} 

#keyA { 
    margin-left: 74%;
    margin-top: -49%;
}

#keyS {
    margin-left: 68%;
    margin-top: -37%;
}

#keyD {
    margin-left: 19%;
    margin-top: -37%;
}

#keyF {
    margin-left: 14%;
    margin-top: -49%;
}

#keyG {
    margin-left: 60%;
    margin-top: -24%;
}

#keyH {
    margin-left: 24%;
    margin-top: -24%;
}

#keyJ {
    margin-left: 33%;
    margin-top: -44%;
}

#keyK {
    margin-left: 51%;
    margin-top: -44%;
}