/*===========About============*/
            
            .about {
                margin-top: 5rem;
                height: 25rem;
            }
            
            .about h2 {
                line-height: 1;
                margin-bottom: 3rem;
            }
            
            .about_container {
                display: grid;
                grid-template-columns: 80% 20%;
            }
            
            .about_left {
                margin-right: 4rem;
            }
            
            .about_left p {
                margin: 1rem 0 3rem;
            }
            /*===========Certificate============*/
            
            .certificate {
                background: var(--color-bgl);
                box-shadow: inset 0 0 3rem rgba(0, 0, 0, 0.5);
                height: 35rem;
            }
            
            .certificate h1 {
                line-height: 1;
                margin-bottom: 3rem;
            }
            
            .certificate_container {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }
            
            .certificate_mobile {
                display: none;
            }
            
            .certificate_left {
                margin-right: 4rem;
            }
            
            .certificate_left p {
                margin: 1rem 0 3rem;
            }
            
            .certificate_left {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            
            .certificate1 {
                background: var(--color-bg2);
                padding: 2rem;
                border-radius: 2rem;
                transition: var(--transition);
            }
            
            .certificate1:hover {
                box-shadow: 0 3rem 3rem rgba(0, 0, 0, 0.3);
                z-index: 1;
            }
            
            .certificate1 h5 {
                text-align: center;
                margin-top: 1rem;
            }
            /*===========mission============*/
            
            .mission {
                background: var(--color-bgl);
                box-shadow: inset 0 0 3rem rgba(0, 0, 0, 0.5);
                margin-top: 5rem;
                height: 25rem;
            }
            
            .mission h2 {
                line-height: 1;
                margin-bottom: 3rem;
            }
            
            .mission_container {
                display: grid;
                grid-template-columns: 20% 80%;
            }
            
            .mission_mobile {
                display: none;
            }
            
            .mission_right {
                margin-left: 4rem;
            }
            
            .mission_right p {
                margin: 1rem 0 3rem;
            }
            
            @media screen and (max-width:1024px) {
                .certificate_container {
                    grid-template-columns: 1fr;
                }
                .certificate {
                    height: 140vh;
                }
                .certificate_right {
                    margin-top: 3rem;
                }
                .certificate_mobile {
                    margin-top: 3rem;
                    display: block;
                }
                .certificate_computer {
                    display: none;
                }
            }
            
            @media screen and (max-width:600px) {
                .about {
                    height: 110vh;
                    margin: 0;
                }
                .about_container {
                    grid-template-columns: 1fr;
                }
                .mission {
                    height: 110vh;
                    margin: 0;
                }
                .mission_computer {
                    display: none;
                }
                .mission_mobile {
                    display: block;
                }
                .certificate {
                    height: 110vh;
                    margin: 0;
                }
                .mission_container {
                    grid-template-columns: 1fr;
                }
                .mission_right {
                    margin: auto;
                    margin-top: 3rem;
                }
                .certificate_left {
                    margin: 0;
                }
            }