.section-box{
    background-position:right bottom;
    background-repeat:no-repeat;
    background-size:auto 80%;
	padding:2rem 0px;
}
.intro h2:after{
	margin:0.2em auto 0px auto;
}
@media screen and (max-width: 640px){
	.section-box{
	    background-size:auto 50%;
	}
}