section.four-icons .img-number{border:2px solid #a8a8a8;padding:4px;border-radius:100%;margin:0 auto 20px;width:35px;height:35px;text-align:center}section.four-icons .howto-img{height:50px;width:auto}@media(min-width:768px){section.four-icons .howto-img{height:65px}}