@media only screen and (min-width: 641px){
	.doscolumnas{
	    
	    -webkit-column-count: 2; /* Chrome, Safari, Opera */
	    -moz-column-count: 2; /* Firefox */
	    column-count: 2;
	    
	    -webkit-column-gap: 20px; /* Chrome, Safari, Opera */
	    -moz-column-gap: 20px; /* Firefox */
	    column-gap: 20px;
	    
	    -webkit-column-gap: 2rem !important; /* Chrome, Safari, Opera */
	    -moz-column-gap: 2rem !important; /* Firefox */
	    column-gap: 2rem !important;
	    
	    -webkit-column-rule: 5px solid rgb(75, 180, 149) !important; /* Chrome, Safari, Opera */
	    -moz-column-rule: 5px solid rgb(75, 180, 149) !important; /* Firefox */
	    column-rule: 5px solid rgb(75, 180, 149) !important;
	    
	    -webkit-column-rule: 0.5rem solid rgb(75, 180, 149) !important; /* Chrome, Safari, Opera */
	    -moz-column-rule: 0.5rem solid rgb(75, 180, 149) !important; /* Firefox */
	    column-rule: 0.5rem solid rgb(75, 180, 149) !important;
	    
	    margin: 20px;
	    margin: 2rem;

	}

}
@media only screen (max-device-width: 640px) {
    .doscolumnas{    
	    -webkit-column-count: 1; /* Chrome, Safari, Opera */
	    -moz-column-count: 1; /* Firefox */
	    column-count: 1;
	}
}