.grid {
 
  counter-reset: grid-item;
  margin-left: -7px;
  margin-right: -7px; 
 /* width: 100%; */
 
}

/* clearfix */
.grid:after {
  content: '';
  display: block;
  clear: both; 
}

/* ---- grid-item ---- */

.mix{
 	display: block;
	float: left;
	padding: 7px;
	width: 100%;
}

@media (min-width: 567px) {
	.mix {
		width: 50%;
	}
}

@media (min-width: 992px) {
	.mix {
		width: 33.33333333%;
	}
}