html, body {
     font-family: Arial;
}

.input-file {
     background: #3498db;
     background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
     background-image: -moz-linear-gradient(top, #3498db, #2980b9);
     background-image: -ms-linear-gradient(top, #3498db, #2980b9);
     background-image: -o-linear-gradient(top, #3498db, #2980b9);
     background-image: linear-gradient(to bottom, #3498db, #2980b9);
     width: 500px;
     padding: 10px;
     font-family: Arial;
     font-size: 20px;
     color: #ffffff;
     -webkit-border-radius: 28;
     -moz-border-radius: 28;
     border-radius: 28px;
     outline: none;
}
.btn {
     background: #3498db;
     background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
     background-image: -moz-linear-gradient(top, #3498db, #2980b9);
     background-image: -ms-linear-gradient(top, #3498db, #2980b9);
     background-image: -o-linear-gradient(top, #3498db, #2980b9);
     background-image: linear-gradient(to bottom, #3498db, #2980b9);
     -webkit-border-radius: 28;
     -moz-border-radius: 28;
     border-radius: 28px;
     font-family: Arial;
     color: #ffffff;
     font-size: 20px;
     padding: 10px 20px 10px 20px;
     text-decoration: none;
}
.btn:hover {
     background: #3cb0fd;
     background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
     background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
     background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
     background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
     background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
     text-decoration: none;
}