.cards article{padding-top:205px;background-repeat:no-repeat;background-position:top center;background-size:100% 175px}
.cards article:nth-child(1){background-image:url("images/boundary-survey.png")}
.cards article:nth-child(2){background-image:url("images/construction-layout.png")}
.cards article:nth-child(3){background-image:url("images/topographic-survey.png")}
.process>div:first-child{padding-top:225px;background:url("images/survey-plan-desk.png") top center/100% 195px no-repeat}
@media(max-width:520px){.cards article{padding-top:225px;background-size:100% 195px}.process>div:first-child{padding-top:205px;background-size:100% 175px}}