@media(max-width:991px){
    .portfolio-section .portfolio-item,
    .service-section .service-item{
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media(max-width:821px){
    .contact-section .w-50,
    .contact-section .contact-item,
    .portfolio-section .portfolio-item,
    .about-section .skills .skills-item,
    .about-section .about-img,
    .about-section .about-info,
    .home-section .home-text,
    .home-section .home-img{
        flex: 0 0 100%;
        max-width: 100%;
    }
    .home-section .home-text{
        order: 2;
    }
    .contact-section .submit-btn,
    .home-section .home-text{
     text-align: center;
    }
    .home-section .full-screen{
        padding: 100px 0;
    }
    .home-section .home-img .img-box{
        margin-bottom: 40px;
        max-width: 350px;
    }
    .effect-3{
        margin-left: -60px;
    }
    .effect-4{
        left: 15%;
    }
    .effect-5{
        right: 4%;
    }
    .about-section .about-info{
        padding: 0 15px;
    }
    .about-section .about-img{
        padding-bottom:30px ;
    }
}
@media(max-width:574px){
    .home-section .home-img .img-box{
        max-width: 260px;
    }
    .home-section .home-text h2{
        font-size: 40px;
    }
}
@media(max-width:433px){
    .service-section .service-item{
        flex: 0 0 100%;
        max-width: 100%;
    }
    .about-section .about-info{
        padding: 0 15px;
    }
}