body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;     /*vaghti minevisim ( box-sizing: border-box; ) dige moghe dadane padding va margin width va heightesh avaz nemishe*/
    background-color: rgb(28, 28, 28);
    overflow-x: hidden;
}

img{
    width: 100%;
    height: 100%;
    object-fit: cover;      /*vaghti tasvir width va height migire bazi vaghta tasvir keshide mishe ( object-fit: cover; ) in keshidegi ro mahv va zoom mikone*/
}

.img_list{
    display: grid;
    grid-template-columns: repeat(4 , auto);    /*  =   grid-template-columns: auto auto auto auto;*/
    max-width: 1140px;
    grid-gap: 20px;
    margin: 2rem auto;
    grid-template-rows: auto 300px auto;
    justify-content: center;
}

.item_img img{
    border: 1px solid #fff;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
}