#home-box { float:left; width:100%; text-align:center;}
.icon-box { display:table-cell; vertical-align: middle; text-align:center; height:436px; margin:0 auto;}
.icon-box h1 { color:#fff; padding:30px 0 0;}


.home-box-left { float:left; width:50%; 
background:url('../images/home-heating-background.png');
background-repeat: no-repeat;
background-position: top 0% left 0%;
background-size: 100% auto; height:436px; display:table;}

.home-box-left:hover {background:url('../images/home-heating-background-hover.png');height:436px;
background-repeat: no-repeat;
background-position: top 0% left 0%;
background-size: 100% auto;}

.home-box-right { float:right; width:50%;background:url('../images/home-plumbing-background.png');
background-repeat: no-repeat;
background-position: top 0% left 0%;
background-size: 100% auto; height:436px;display:table;}
.home-box-right:hover {background:url('../images/home-plumbing-background-hovr.png');height:436px;
background-repeat: no-repeat;
background-position: top 0% left 0%;
background-size: 100% auto;}



#box-pen {float:left; width:100%; margin:70px 0; text-align:center;}
.box-pen {float: left; width:100%;}
.box-pen ul { margin:0px; padding:0px;}
.box-pen li { list-style:none; display:inline-block; text-align:center; margin:0 2%;}
.box-pen li:first-child {float:left; margin:0px;}
.box-pen li:last-child { float:right; margin:0px;}
.box-pen li h1 { font-size:30px; padding:20px 0 10px;}
.box-pen li p { font-size:18px; line-height:24px; color:#939598;}

@media only screen and ( max-width:1520px) {
.home-box-left,.home-box-right,.home-box-left:hover,.home-box-right:hover { background-size:100% 100%;}
}

@media only screen and ( max-width:767px) {
.icon-box img { width:60%;}
.icon-box h1 { font-size:28px;}

.home-box-left,.home-box-right,.home-box-left:hover,.home-box-right:hover,.icon-box { height:auto;}
.icon-box { padding:20px 0;}
}

@media only screen and ( max-width:640px) {
.icon-box h1 { font-size:20px; padding:0px;} 
}
@media only screen and ( max-width:520px) {
.icon-box h1 { font-size:15px;} 
}