.ico_catalogo { clear:left;margin-top:10px; height:155px; background-color:#A9BEDD;}
.ico_catalogo img {margin:0 auto; float:left; margin: 5px 15px 5px 5px; border:1px solid #FFF;}
img.icopdf { display:inline; vertical-align:middle;margin:0; border:0;}

/*
.ico_catalogo {float:left; width:250px; height:250px;margin-left:10px; text-align:center;}
.ico_catalogo img {margin:0 auto;}
img.icopdf { display:inline; vertical-align:middle;}
*/