.home-certi{padding-top:3%;}
.home-certi .certi-list{display:flex;flex-wrap:wrap;justify-content: space-between;margin-top:3%;}
.home-certi .certi-list li{width:19%;list-style: none;}
.home-certi .certi-list li .img{overflow: hidden;}
.home-certi .certi-list li img{width:100%;display:block;transition: all .3s;}
.home-certi .certi-list li img:hover{transform: scale(1.05);}
@media (max-width:768px){.home-certi{padding-top:30px;}
.home-certi .certi-list li{width:49%;margin-top:2%;}}