.test{
    overflow:hidden;
}
.frame{
    animation: zoom 30s ease-in-out infinite;
    -moz-animation: zoom 30s ease-in-out infinite;
    -ms-animation: zoom 30s ease-in-out infinite;
    -o-animation: zoom 30s ease-in-out infinite;
    -webkit-animation: zoom 30s ease-in-out infinite;
    max-width:1920px;
;
    
}

/*animation zoom in*/
@keyframes zoom{
    0%{transform: scale(1, 1);}
    50%{transform: scale(1.5, 1.5);}
    100%{transform: scale(1, 1);}
}

@-moz-keyframes zoom{
    0%{transform: scale(1, 1);}
    50%{transform: scale(1.5, 1.5);}
    100%{transform: scale(1, 1);}
}

@-ms-keyframes zoom{
    0%{transform: scale(1, 1);}
    50%{transform: scale(1.5, 1.5);}
    100%{transform: scale(1, 1);}
}

@-o-keyframes zoom{
    0%{transform: scale(1, 1);}
    50%{transform: scale(1.5, 1.5);}
    100%{transform: scale(1, 1);}
}

@-webkit-keyframes zoom{
    0%{transform: scale(1, 1);}
    50%{transform: scale(1.5, 1.5);}
    100%{transform: scale(1, 1);}
}

@-webkit-keyframes zoom{
    0%{transform: scale(1, 1);}
    50%{transform: scale(1.5, 1.5);}
    100%{transform: scale(1, 1);}
}