#banner-btn{position:absolute;top:70%;left:60%;font-size:18px;min-width:200px}.container-banner{position:relative;width:100%}@media only screen and (max-width:528px){#banner-btn{position:relative !important;top:0 !important;left:auto !important;margin:10px auto;font-size:14px}.container-btn{text-align:center}}@media(min-width:529px) and (max-width:768px){#banner-btn{position:absolute;top:60% !important;left:55% !important}}