@media only screen and (max-width:600px){.sm-button{width:200px!important;margin:auto}.md-button{width:200px!important;margin:auto}.lg-button{width:200px!important;margin:auto}.xl-button{width:200px!important;margin:auto}}.sm-button{width:200px;margin:auto}.md-button{width:350px;margin:auto}.lg-button{width:450px;margin:auto}.xl-button{width:550px;margin:auto}