.productDetailsRow .rightDetails ul.featuresBox.box4 li{width: 25%;}
.productDetailsRow .rightDetails ul.featuresBox li {
    width: 16.66%;
}

@media screen and (max-width:650px) {
.productDetailsRow .rightDetails ul.featuresBox.box4 li {width: 50%;}
.productDetailsRow .rightDetails ul.featuresBox li {
    width: 50%;
}
	
}

@media screen and (max-width:550px) {
.productDetailsRow .rightDetails ul.featuresBox.box4 li {width: 100%;}
.productDetailsRow .rightDetails ul.featuresBox li { width: 100%;}
	
}