*{
    margin: 0;
    padding: 0;

}
body{
    width: 100%;
    height: 100vh;
}
.head{
    /* background-color: #f1f1f1; */
    padding: 40px;
    text-align: center;
    /* margin-top: 40px;
    margin-bottom: 20px; */

}

.container{
   
    display: flex;
    justify-content: center;
    align-items: center;
}

.img-box{
    width: 60%;
    margin: auto;
    line-height: 0;
    background-image: url(./background_change_img/background.png);
    overflow: hidden;
    position: relative;


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

}

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

@media screen and (max-width: 768px){
    .img-box{
        width: 100%;
    }
    
}