@media all and (max-width: 480px) {
    .img-full {
        max-width: 430px;
    }
    .section_one {
        padding-top: 0;
    }
    p.block_text_normal {
        padding-left: 15px;
        padding-right: 15px;
    }
    .video_infobelow {
        padding: 10px 0px;
    }
    p.block_text_quote {
        padding-left: 15px;
        padding-right: 60px;
        font-size: 1.7rem;
    }
    p.block_text_large {
        font-size: 1.7rem;
        padding: 15px 15px 0;
        margin-bottom: 0;
    } 
    .block_image_1400 img {
        padding-left: 0;
        padding-right: 0;
    }
    .block_image_1000 {
        padding-left: 0;
        padding-right: 0;
    }
    .block_image_1000 img {
        padding-left: 0;
        padding-right: 0;
    }
    .block_image_1200 {
        padding-left: 0;
        padding-right: 0; 
    }

    .grid-container-khoahoc,
    .grid-container-giaithuong {
        display: grid;
        grid-template-rows: repeat(1,1fr);
        grid-template-columns: repeat(1,1fr);
        gap: 15px;
        position: relative;
        z-index: 1;
        padding: 0 1rem;
    }
    .grid-container-khoahoc {
        padding: 0 1rem;
    }
    .grid-container-giaithuong {
        padding: 0 1rem 2rem 1rem;
    }

    .giaithuong {
        background-color: #f0f0f0;
        padding: 2rem 0 0 0;
    }
    
    .customH1 {
        display: none;
    }
    
    .img-responsive{
        max-width: 430px;
        width: 100%;
        object-fit: cover;
    }
    .responsive-img-button{
        max-width: 180px;
        width: 100%;
    }
}

@media all and (max-width: 380px) {
    p.block_text_quote {
        font-size: 1.5rem;
    }
    p.block_text_large {
        font-size: 1.5rem;
    }

}
@media all and (max-width: 1440px) {
    .section_title {
        margin-top: -28%;
        position: relative;
    }
}

/* Portrait */
@media screen and (orientation:portrait) { /* Portrait styles here */ }
/* Landscape */
@media screen and (orientation:landscape) { /* Landscape styles here */ }


/* CSS for iPhone, iPad, and Retina Displays */

/* Non-Retina */
@media screen and (-webkit-max-device-pixel-ratio: 1) {
}

/* Retina */
@media only screen and (-webkit-min-device-pixel-ratio: 1.5),
only screen and (-o-min-device-pixel-ratio: 3/2),
only screen and (min--moz-device-pixel-ratio: 1.5),
only screen and (min-device-pixel-ratio: 1.5) {
}

/* iPhone Portrait */
@media screen and (max-device-width: 480px) and (orientation:portrait) {
} 

/* iPhone Landscape */
@media screen and (max-device-width: 480px) and (orientation:landscape) {
}

/* iPad Portrait */
@media screen and (min-device-width: 481px) and (orientation:portrait) {
}

/* iPad Landscape */
@media screen and (min-device-width: 481px) and (orientation:landscape) {
}