<div class="box"> <center> <a class="download" href="https://www.facebook.com" >Download</a> <a class="demo" href="https://www.facebook.com" >Demo</a> </center> </div>
.box {margin-top:20px;}
.download {border-radius:20px;padding:10px;margin-top:10px;background:#3985DB;color:#fff;font-weight:700;width:250px;font-family:arial;text-decoration:none;cursor:pointer;transition:all .4s; }
.download:hover {background:#5AA5FA}
.demo {border-radius:20px;padding:10px;margin-left:5px;margin-top:10px;background:#F0B23E;color:#fff;font-weight:700;width:250px;font-family:arial;text-decoration:none;cursor:pointer;transition:all .4s; }
.demo:hover {background:#F7C972}