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fix(a11y): improve color contrast ratios for WCAG AA compliance #324

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fix(a11y): improve color contrast ratios for WCAG AA compliance #324

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Empty file added .hugo_build.lock
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6 changes: 5 additions & 1 deletion assets/css/_main.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@
--line-height-xjumbo: 2.5rem;
--font-size-mini-jumbo: 1.6rem;
--line-height-mini-jumbo: 1.8rem;
/* Darker primary blue for improved contrast (white on this yields ≥4.5:1) */
--tw-color-blue-primary-dark: #004a8d;
}

/* Animations */
Expand Down Expand Up @@ -77,7 +79,7 @@ main {

// common styles across nav, header, and footer
nav, .header, .footer {
background-color: var(--tw-color-blue-primary);
background-color: var(--tw-color-blue-primary-dark);
color: white;

@media (prefers-color-scheme: dark) {
Expand Down Expand Up @@ -123,6 +125,8 @@ nav {

.home-link {
font-weight: var(--feather-font-weight-bold);
// bump up to ≥18 pt bold so that 3.0:1 white-on-blue meets WCAG Large-text contrast
font-size: var(--font-size-mini-jumbo);
}

#nav-menu {
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9 changes: 9 additions & 0 deletions assets/css/index.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,15 @@
height: 500px;
}

// ensure sufficient contrast on the Twitter embed link
// target the <a> bearing the .twitter-timeline class itself,
// plus any nested anchors under .twitter-timeline or .timeline-cell
.twitter-timeline,
.twitter-timeline a,
.timeline-cell a {
color: var(--tw-color-blue-primary-dark) !important;
}


@media (min-width: 600px) {
#follow-us .container {
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