.phone {
    width: 225px;
    /*phone size*/
    position: relative;
}

.phone > img {
    display: block;
    max-width: 100%;
    height: auto;
}

.screen {
    position: absolute;
    width: 166px;
    /* screen-size */
    height: 297px;
    /* screen-size */
    top: 50px;
    left: 31px;
    overflow: hidden;
}

.screen > img {
    position: absolute;
    display: block;
    width: 166px;
    height: auto;
    top: 0;
    left: 0;
}

.slideOutLeftNeo {
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    -webkit-animation-name: slideOutLeftNeo;
    animation-name: slideOutLeftNeo;
    -webkit-animation-duration: 7s;
    animation-duration: 7s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}

@-webkit-keyframes slideOutLeftNeo {
    0% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
    35% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
    40% {
        -webkit-transform: translateX(-166px);
        transform: translateX(-166px);
    }
    95% {
        -webkit-transform: translateX(-166px);
        transform: translateX(-166px);
    }
    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
}

@keyframes slideOutLeftNeo {
    0% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
    35% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
    40% {
        -webkit-transform: translateX(-166px);
        transform: translateX(-166px);
    }
    95% {
        -webkit-transform: translateX(-166px);
        transform: translateX(-166px);
    }
    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
}