style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: nunito, 'Open Sans', sans-serif;
    font-weight: 500;
}
#canvas{
    background-color: black;
    position: absolute;
    top: 0;
    left: 0;
    cursor: pointer;
}
.controller{
    position: fixed;
    top: 20vh;
    left: 10vh;
    width: 18vw;
    height: 30vh;
    background-color: rgb(0,0,0,1);
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    z-index: 1;
    color: blanchedalmond;
}
.control1{
    /* width: 100%;
    height: 50%; */
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.input{
    font-size: 10px;
}

@media screen and (max-width: 900px){
    .controller{
        top: 10vh;
        left: 10vh;
        width: 30vw;
        height: 30vh;
    }
    .control1{
        flex-direction: column;
    }
    .input{
        font-size: 8px;
    }
}