body{
    background-color: rgba(0, 0, 0, 0.9);
}
*{
margin: 0px;
padding: 0px;
box-sizing: border-box;
}
img{
width:100%;
height:auto;
}
.main{
    margin: 0px 40px;
    display: grid;
    gap: 20px;
    row-gap: 30px;
    grid-template-columns: repeat(3, 1fr);
    
}
@media screen and (max-width:1180px){
    .main{
        grid-template-columns: repeat(2, 1fr);
    }
}
@media screen and (max-width:810px){
    .main{
        grid-template-columns: repeat(1, 1fr);
    }
}