.container-fluid {
    /* background-image: url("./img/img_study.jpg"); */
    background-color: white;
    background-size: 100%;
    width: 100%;
    height: 600px;
    background-repeat: no-repeat;
}

/* .writename{
    class : text-center

}  */

/* .Name {
    font-size: 30px;
    position: absolute;
    top: 330px;
    left: 38%
} */

/* .inputBox {
    margin-left: 30px;
    inline-size: 200px;
    block-size: 40px;
    font-size: 40px;
} */

/* .QuizStart {
    margin-top: 35%;
    block-size: 100px;
    inline-size: 200px;
    font-size: 35px;
} */