body {
    margin: 0;
    margin-left: 20px;
    align-items: center;
    text-align: center;
}

#box {
    width: 400px;
    height: 400px;
    background-color: rgb(46, 204, 113);
    margin: auto;
}

#head_1 {
    font-size: 32px;
    color: rgb(25, 25, 25);
    transition: 0.5s;
}

#container {
    text-align: center;
}

#resizableDiv {
    width: 300px;
    height: 300px;
    border: 1px solid black;
    overflow: hidden;
    margin: 0 auto;
}

#resizableImage {
    width: 100%;
    height: 100%;
}

#sizeSlider {
    width: 80%;
    margin: 20px auto;
}