@media only screen and (max-width: 480px) {
	.col {  margin: 1% 0 1% 0%; }
    
    .span_1_of_12, .span_2_of_12, .span_3_of_12, .span_4_of_12, .span_5_of_12, .span_6_of_12, .span_7_of_12, .span_8_of_12, .span_9_of_12, .span_10_of_12, .span_11_of_12, .span_12_of_12 {
	width: 100%; 
	}
}