.masthead img{
    display: inline-block;
    margin: 0 0.5rem;
    animation: fadeInUp;
    animation-duration: 1s;
    /* animation-delay: 1s; */
 }

 .app img{
    display: inline-block;
    margin: 0 0.5rem;
    animation: fadeInUp;
    animation-duration: 1s;
    /* animation-delay: 1s; */
 }