.colorCert,.colorCert2,.colorCert3,.colorCert4,.colorCert5,.colorCert6,.colorCert7,.colorCert8,.colorCert9,.colorCert10,
.colorCert11,.colorCert12,.colorCert13,.colorCert14,.colorCert15,.colorCert16,.colorCert17,.colorCert18,.colorCert19,.colorCert20,
.colorCert21,.colorCert22,.colorCert23,.colorCert24,.colorCert25,.colorCert26,.colorCert27,.colorCert28{
	
	filter: grayscale(100%);
	transition: filter 0.8s, transform 0.8s ;
	
}

.contBtnCert{

	position: relative;
    width: 14%;

}

@media screen and (max-width: 392px) {
	
	.contBtnCert{
		
		width: 16%;

	}
	
	
	
}

@media screen and (min-width: 393px)and (max-width: 766px) {
	
	
	.contBtnCert{
		
		width: 16%;

	}
	
	
	
}