@-webkit-keyframes cf4FadeInOut {
    0% {
        opacity:1;
    }
    17% {
        opacity:1;
    }
    25% {
        opacity:0;
    }
    92% {
        opacity:0;
    }
    100% {
        opacity:1;
    }
}

@-moz-keyframes cf4FadeInOut {
    0% {
        opacity:1;
    }
    17% {
        opacity:1;
    }
    25% {
        opacity:0;
    }
    92% {
        opacity:0;
    }
    100% {
        opacity:1;
    }
}

@-o-keyframes cf4FadeInOut {
    0% {
        opacity:1;
    }
    17% {
        opacity:1;
    }
    25% {
        opacity:0;
    }
    92% {
        opacity:0;
    }
    100% {
        opacity:1;
    }
}

@keyframes cf4FadeInOut {
    0% {
        opacity:1;
    }
    17% {
        opacity:1;
    }
    25% {
        opacity:0;
    }
    92% {
        opacity:0;
    }
    100% {
        opacity:1;
    }
}

#cf4a {
    position:relative;
    margin:0 auto;
}
#cf4a img {
    position:absolute;
    left:0;

    width: 100%;
    display: block;
    max-width: 1100px;
    margin: 10px auto 30px auto;
}

#cf4a img {
    -webkit-animation-name: cf4FadeInOut;
    -webkit-animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-duration: 16s;

    -moz-animation-name: cf4FadeInOut;
    -moz-animation-timing-function: ease-in-out;
    -moz-animation-iteration-count: infinite;
    -moz-animation-duration: 16s;

    -o-animation-name: cf4FadeInOut;
    -o-animation-timing-function: ease-in-out;
    -o-animation-iteration-count: infinite;
    -o-animation-duration: 16s;

    animation-name: cf4FadeInOut;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-duration: 16s;
}
#cf4a img:nth-of-type(1) {
    -webkit-animation-delay: 12s;
    -moz-animation-delay: 12s;
    -o-animation-delay: 12s;
    animation-delay: 12s;
}
#cf4a img:nth-of-type(2) {
    -webkit-animation-delay: 8s;
    -moz-animation-delay: 8s;
    -o-animation-delay: 8s;
    animation-delay: 8s;
}
#cf4a img:nth-of-type(3) {
    -webkit-animation-delay: 4s;
    -moz-animation-delay: 4s;
    -o-animation-delay: 4s;
    animation-delay: 4s;
}
#cf4a img:nth-of-type(4) {
    -webkit-animation-delay: 0s;
    -moz-animation-delay: 0s;
    -o-animation-delay: 0s;
    animation-delay: 0s;
}