.ilogo {
        position: relative;
        float: left;
        margin: -230px 0 0 0px;
        overflow: hidden;
        transition-duration: 5s;
        width:100%;
        height:100%;
    }

    .ilogo:before {
        content: "";
        position: absolute;
        width: 1300px;
        height: 300px;
        background-image: linear-gradient(to bottom,transparent,rgba(255,255,255,.8),transparent);
        -webkit-transform: rotate(-45deg);
        -moz-transform: rotate(-45deg);
        -ms-transform: rotate(-45deg);
        -o-transform: rotate(-45deg);
        transform: rotate(-45deg);
        -webkit-animation: searchLights 1s ease-in 1s infinite;
        -o-animation: searchLights 1s ease-in 1s infinite;
        animation: searchLights 1.5s ease-in 1s infinite;
    }

    @keyframes searchLights {
        0% {
            left: -300px;
            top: -500px;
        }
        100% {
            left: -160px;
            top: 1000px;
        }
    }