[class^="flaticon-"]:before, [class*=" flaticon-"]:before,
[class^="flaticon-"]:after, [class*=" flaticon-"]:after {  
width: 90px;
background-size: 50px;
background-position: center;
height: 90px;
display: block;
z-index: 11111111;
margin-left: 0;
background-repeat: no-repeat;
}

.flaticon-bee:before { content: "\f100"; }
.flaticon-hook:before { content: ""; background-image:url(1.png) }
.flaticon-skyline:before { content: ""; background-image:url(2.png) }
.flaticon-home:before { content: ""; background-image:url(4.png) }
.flaticon-stairs:before { content: ""; background-image:url(3.png) }
.flaticon-engineer:before { content: ""; background-image:url(5.png);margin-top: -20px; margin-left: -8px; }
.flaticon-engineer-1:before { content: ""; background-image:url(6.png);margin-top: -20px; margin-left: -8px;  }
.flaticon-engineer-2:before { content: ""; background-image:url(7.png);margin-top: -20px; margin-left: -8px;  }