/** animation **/
    @keyframes anima-1 {
        0%{transform: scale(0.1); opacity: 0;}
        80%{transform: scale(1.1)}
        100%{transform: scale(1); opacity: 1}
    }
    .modal-fade-in{
        animation-name: anima-1;
        animation-duration: 0.25s;   
    }
    /** end animation **/