#logo {
    position: fixed;
    top: calc(100% - 150px);
    left: calc(50% - 145px);
}
.resources {
    display: flex;
}
.app {
    height: 200px;
    width:170px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    background: white;
    border: 1px solid grey;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    background-image: linear-gradient(135deg,#FFFF, #a8acad);
    margin: 20px;
}

    .app:hover {
        background-image: linear-gradient(135deg,#a8acad, #FFFF);
    }

.header{
    color:white;
}