.grid {
    display:grid;
}

.simple {
    grid-template-rows:auto;
    grid-template-columns:150px 1fr;
}
.simplealt {
    grid-template: auto/150px 1fr;
}
.repeat {
    grid-template-rows: repeat(3, auto);
    grid-template-columns: repeat(4, auto);
}
.gap {
    grid-row-gap:2em;
    grid-column-gap:0.2em;
}
.gapalt {
    gap:2em 0.2em;
}
.just-it-center {
    justify-items:center;
}
.just-it-start {
    justify-items:start;
}
.just-it-end {
    justify-items:end;
}
.al-it-center {
    align-items:center;
    height:50vh;
}
.al-it-start {
    align-items:start;
    height:50vh;
}
.al-it-end {
    align-items:end;
    height:50vh;
}
.al-it-stretch {
    align-items:stretch;
    height:50vh;
}
.just-con-center {
    justify-content:center;
}
.just-con-start {
    justify-content:start;
}
.just-con-end {
    justify-content:end;
}
.just-con-between {
    justify-content:space-between;
}
.just-con-around {
    justify-content:space-around;
}
.al-con-center {
    align-content:center;
    height:50vh;
}
.al-con-start {
    align-content:start;
    height:50vh;
}
.al-con-end {
    align-content:end;
    height:50vh;
}
.al-con-between {
    align-content:space-between;
    height:50vh;
}
.al-con-around {
    align-content:space-around;
    height:50vh;
}
.al-con-evenly {
    align-content:space-evenly;
    height:50vh;
}

.grid-items {
    grid-template-rows:repeat(5, 1fr);
    grid-template-columns: repeat(6, 1fr);
    grid-row-gap: 1em;
    grid-column-gap: 2em;
}
.gridheader {
    grid-column-start:1;
    grid-column-end: col6-end;
    grid-row-start:1;
    grid-row-end: 1;
}
.gridmain {
    grid-column-start:1;
    grid-column-end:6;
    grid-row-start:2;
    grid-row-end:5;
}
.sidebar {
    grid-column-start:6;
    grid-column-end: col6-end;
    grid-row-start:2;
    grid-row-end: 5;
}
.gridfooter {
    grid-column-start:1;
    grid-column-end: col6-end;
    grid-row-start:5;
    grid-row-end: 5;
}

.grid-items-alt {
    grid-template:repeat(5, 1fr) / repeat(6, 1fr);
    grid-row-gap: 1em;
    grid-column-gap: 2em;
}
.gridheader-area {
    grid-area:1/1/1/col6-end;
}
.gridmain-area {
    grid-area: 2/1/5/6;
}
.sidebar-area {
    grid-area: 2/6/5/col6-end;
}
.gridfooter-area {
    grid-area: 5/1/5/col6-end;
}