talk-end-of-procrastination/module/pathfinder/grid.css

.main-grid-container{
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}
.grid-container{
    display: inline-block;
}
.grid{
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    background: var(--unexplored-path);
    border: 2px solid var(--grid-border);
    overflow: hidden;
}
.row{
    display: flex;
    flex-flow: row nowrap;
    height: 31px;
}
.row.odd{
    margin-left: 37px;
}
.cell{
    margin: 0 1px 0 0;
    width: 36px;
    height: 40px;
    overflow: visible;
    position: relative;
}
.cell::after{
    content: "";
    display: block;
    position: absolute;
    background-color: transparent;
    width: 40px;
    height: 40px;
    transition: background-color 0.15s linear;
    clip-path: polygon(20px 0, 38px 10px, 38px 30px, 20px 40px, 2px 30px, 2px 10px);;
    top: 0;
    left: 0;
}

.cell::before{
    content: "";
    display: block;
    position: absolute;
    background-color: rgba(255, 255, 255, 0.03);
    width: 40px;
    height: 40px;
    clip-path: polygon(20px 0, 38px 10px, 38px 30px, 20px 40px, 2px 30px, 2px 10px);;
    top: 0px;
    left: 0px;
}

/* Cell States */
.cell.start::after{
    background-color: var(--start);
}
.cell.end::after{
    background-color: var(--end);
}
.cell.null::after{
    background-color: transparent;
}
.cell.null::before{
    /*transform: scale(1.05);*/
}
.cell.open::after{
    background-color: var(--open-path);
}
.cell.closed::after{
    background-color: var(--closed-path);
}
.cell.path::after{
    background-color: var(--path);
}
.cell.wall::after{
    background: linear-gradient(var(--wall) 0px, var(--open-path) 1400px);
    background-attachment: fixed;
}
.cell.wall::before{
    background: linear-gradient(var(--wall) 0px, var(--open-path) 1400px);
    background-attachment: fixed;
}
.cell.animate{
    animation-name: cell-anim;
    animation-duration: 0.4s;
}

@keyframes cell-anim {
    0%{
        transform: scale(1.0);
        z-index: 2;
    }
    50%{
        transform: scale(1.25);
    }
    100%{
        transform: scale(1.0);
        z-index: 1;
    }
}