.box-brand a{margin:0 auto;display:block}.box-brand img{margin:0 auto;display:block;transition:opacity 300ms ease-in-out;-moz-transition:opacity 300ms ease-in-out;-webkit-transition:opacity 300ms ease-in-out;-o-transition:opacity 300ms ease-in-out}.box-brand img:hover{opacity:.75;filter:alpha(opacity=75)}