.mini-banner >.span4:nth-child(3),
.mini-banner:after,
.mini-banner:before{
	display: none !important;
}

.mini-banner {
	display: flex;
	justify-content: space-between;
	justify-content: center;
}

.mini-banner >.span4{
	flex: 0 1 500px; /* Alterar o tamanho da caixa aqui */
}

@media(max-width: 767px){
	.mini-banner{
		flex-wrap: wrap;
	}
	
	.mini-banner >.span4{
		flex: 0 1 100% !important;
	}
}