.pdf-box {
    height: 150%;
    width: auto;
    margin-top: 2vh;
    justify-content: center;
    margin-bottom:68px;
}

@media screen and (max-device-width: 500px){
    body{
        font-size: xx-large;
    }
    .pdf-box{
        line-height: 2.5rem;
        margin-bottom: 144px;
    }
}