/* CSS Document 
css/grid.css*/

.grid_container {
    display: grid;
    grid-template-columns: repeat(3, minmax(100px, auto));
    grid-template-rows: auto;
    grid-gap: 20px;
    
}

.grid_unit {
    align-items: center;
    background: white;
    font-size: 3rem;
    color: #fff;
    border-radius: 4px;
    transition: all 500ms;
    overflow: hidden;
    
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.grid_unit:hover{
    background: lightgray;
   
}

.grid_image {
    max-width: auto;
    height: auto;
  place-self: center;
}

.invisible_keypad_container {
    display: grid;
    grid-template-columns: 33% 33% 33% ;
    grid-gap: 20px;
    
}

.invisible_keypad_unit {
    align-items: center;
    background: white;
    font-size: 3rem;
    color: black;
    border-radius: 4px;
    transition: all 500ms;
    overflow: hidden;
}

.invisible_keypad_unit:hover{
    background: lightgray;
   
}