.ps-1
{
    padding-left: 1em;
}
.pe-1
{
    padding-right: 1em;
}
.pt-1
{
    padding-top: 1em;
}
.pb-1
{
    padding-bottom: 1em;
}

.ps-2
{
    padding-left: 2em;
}
.pe-2
{
    padding-right: 2em;
}
.pt-2
{
    padding-top: 2em;
}
.pb-2
{
    padding-bottom: 2em;
}

.ps-3
{
    padding-left: 3em;
}
.pe-3
{
    padding-right: 3em;
}
.pt-3
{
    padding-top: 3em;
}
.pb-3
{
    padding-bottom: 3em;
}

.gap-1 > *
{
    margin-left: .4em;
    margin-right: .4em;
}
.gap-1 > *:first-child, .gap-2 > *:first-child, .gap-3 > *:first-child
{
    margin-left: 0;
}
.gap-1 > *:last-child, .gap-2 > *:last-child, .gap-3 > *:last-child
{
    margin-right: 0;
}
.gap-2 > *
{
    margin-left: .8em;
    margin-right: .8em;
}
.gap-3 > *
{
    margin-left: 1.2em;
    margin-right: 1.2em;
}

html.dark-mode .dark-hidden {
    display: none;
}

html.dark-mode .dark-block {
    display: block;
}

html.light-mode .light-hidden {
    display: none;
}

html.light-mode .light-block {
    display: block;
}

.flex {
    display: flex;
}
.align-baseline {
    align-items: baseline;
}
.align-center {
    align-items: center;
}
.align-stretch {
    align-items: stretch;
}