* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

.container {
    width: 100%;
    height: 100vh;
    background: #f3fbff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.img-box {
    width: 60%;
    margin: auto;
    background-image: url(background.png);
    overflow: hidden;
    position: relative;
}

.img-wrap {
    width:40px;
    position: absolute;
    left: 0;
    top: 0;
    overflow: hidden;
}

span {
    width: 1px;
    height: 100%;
    cursor: ew-resize;
    background: #fff;
    position: absolute;
    left: 40px;
    top: 0;
}

.arrow{
    width:40px;
    position:absolute;
    top: 50%;
    margin-top: -20px;
    margin-left: -20px;
}