.app-item {
    height: 370px;
    width: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative
}

.app-item:hover{
    border:thin;
    border-width:2px;
    border-color:#003477
}

@media only screen and (max-width:1080px) {
    .app-item {
        height: 280px
    }
}