.main{justify-content:center;align-items:center;display:flex}.pdffile{justify-self:center;align-self:center;margin-bottom:20px}.submit{margin:10px 80px 10px 10px;padding:20px;color:#fff;background-color:#000;background-size:40px;border:20px solid red;border-radius:10px;transition:all .5s cubic-bezier(0,.96,.42,.97)}.submit:hover{color:#c3c3c3;border-color:#00ff76;padding:0;margin:30px 100px 30px 30px}