.gtb-home{
    display: flex;
    width: 100%;
    height: 100%;
    margin: auto;
    opacity:0.8;
    align-items:center;
    justify-content: center;

}
.gtb-home .app-child{
    width: 234px;
    height: 274px;
    margin: 15px;
    background-color: bisque;
    position: relative;
}
.gtb-home .app-child:hover{
   border: 1px solid white
}