.con{
max-width: 1024px;
height: 190px;
/*border: 5px solid red;*/
margin: 0px auto;
/*margin: 50px auto;*/
overflow: hidden;
position: relative;
background-color: #2e78b7;
}


.imgBanner{
position: absolute;
max-width: 1024px;
margin: 0 auto;
animation: mm 40s infinite;
-webkit-animation: mm 40s infinite;
opacity: 0;

}


@keyframes mm{
10%{opacity:1;}
50%{opacity:0;}
}

@-webkit-keyframes{
10%{opacity:1;}
50%{opacity:0;}
}

img:nth-child(0) {animation-delay: 0s;-webkit-animation-delay: 0s;}
img:nth-child(1) {animation-delay: 10s;-webkit-animation-delay: 10s;}
img:nth-child(2) {animation-delay: 20s;-webkit-animation-delay: 20s;}
img:nth-child(3) {animation-delay: 30s;-webkit-animation-delay: 30s;}