laipower/wp-content/themes/twentynineteen/sass/site/header/_site-featured-image.scss

302 lines
5.9 KiB
SCSS

// Featured image styles
.site-header.featured-image {
/* Hide overflow for overflowing featured image */
overflow: hidden;
/* Need relative positioning to properly align layers. */
position: relative;
/* Add text shadow to text, to increase readability. */
text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
/* Set white text color when featured image is set. */
.site-branding .site-title,
.site-branding .site-description,
.main-navigation a:after,
.main-navigation .main-menu > li.menu-item-has-children:after,
.main-navigation li,
.social-navigation li,
.entry-meta,
.entry-title {
color: $color__background-body;
}
.main-navigation a,
.main-navigation a + svg,
.social-navigation a,
.site-title a,
.site-featured-image a {
color: $color__background-body;
transition: opacity $link_transition ease-in-out;
&:hover,
&:active,
&:hover + svg,
&:active + svg {
color: $color__background-body;
opacity: 0.6;
}
&:focus,
&:focus + svg {
color: $color__background-body;
}
}
.main-navigation .sub-menu a {
opacity: inherit;
}
/* add focus state to social media icons */
.social-navigation a {
&:focus {
color: $color__background-body;
opacity: 1;
border-bottom: 1px solid $color__background-body;
}
}
.social-navigation svg,
.site-featured-image svg {
/* Use -webkit- only if supporting: Chrome < 54, iOS < 9.3, Android < 4.4.4 */
-webkit-filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35) );
filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35) );
}
/* Entry header */
.site-featured-image {
/* First layer: grayscale. */
.post-thumbnail img {
height: auto;
left: 50%;
max-width: 1000%;
min-height: 100%;
min-width: 100vw;
position: absolute;
top: 50%;
transform: translateX(-50%) translateY(-50%);
width: auto;
z-index: 1;
@supports ( object-fit: cover ) {
height: 100%;
left: 0;
object-fit: cover;
top: 0;
transform: none;
width: 100%;
}
/* When image filters are active, make it grayscale to colorize it blue. */
.image-filters-enabled & {
filter: grayscale(100%);
}
}
.entry-header {
margin-top: calc( 4 * #{$size__spacing-unit});
margin-bottom: 0;
margin-left: 0;
margin-right: 0;
@include media (tablet) {
margin-left: $size__site-margins;
margin-right: $size__site-margins;
}
.entry-title {
&:before {
background: $color__background-body;
}
}
/* Entry meta */
.entry-meta {
font-weight: 500;
> span {
margin-right: $size__spacing-unit;
display: inline-block;
&:last-child {
margin-right: 0;
}
}
a {
@include link-transition;
color: currentColor;
&:hover {
text-decoration: none;
}
}
.svg-icon {
position: relative;
display: inline-block;
vertical-align: middle;
margin-right: 0.5em;
}
.discussion-avatar-list {
display: none;
}
}
&.has-discussion {
@include media (tablet) {
.entry-meta {
display: flex;
position: relative;
}
.entry-title {
padding-right: calc(1 * (100vw / 12) + #{$size__spacing-unit});
}
.entry-meta .comment-count {
position: absolute;
right: 0;
}
.entry-meta .discussion-avatar-list {
display: block;
position: absolute;
bottom: 100%;
}
}
}
}
}
/* Custom Logo Link */
.custom-logo-link {
background: $color__background-body;
box-shadow: 0 0 0 0 rgba($color__background-body, 0);
&:hover,
&:active,
&:focus {
box-shadow: 0 0 0 2px rgba($color__background-body, 1);
}
}
/* Make sure important elements are above pseudo elements used for effects. */
.site-branding {
position: relative;
z-index: 10;
}
.site-featured-image .entry-header {
position: relative;
z-index: 9;
}
/* Set up image filter layer positioning */
.site-branding-container:after,
.site-featured-image:before,
.site-featured-image:after,
&:after {
display: block;
position: absolute;
top: 0; left: 0;
content: "\020";
width: 100%;
height: 100%;
}
/* Background & Effects */
/* Shared background settings between pseudo elements. */
background-position: center;
background-repeat: no-repeat;
background-size: cover;
/* The intensity of each blend mode is controlled via layer opacity. */
/* Second layer: screen. */
.image-filters-enabled & .site-featured-image:before {
background: $color__link;
mix-blend-mode: screen;
opacity: 0.1;
}
/* Third layer: multiply. */
/* When image filters are inactive, a black overlay is added. */
.site-featured-image:after {
background: #000;
mix-blend-mode: multiply;
opacity: .7;
/* When image filters are active, a blue overlay is added. */
.image-filters-enabled & {
background: $color__link;
opacity: .8;
z-index: 3;
/* Browsers supporting mix-blend-mode don't need opacity < 1 */
@supports (mix-blend-mode: multiply) {
opacity: 1;
}
}
}
/* Fourth layer: overlay. */
.image-filters-enabled & .site-branding-container:after {
background: rgba(0, 0, 0, 0.35);
mix-blend-mode: overlay;
opacity: 0.5;
z-index: 4;
/* Browsers supporting mix-blend-mode can have a light overlay */
@supports (mix-blend-mode: overlay) {
background: rgba($color__background-body, 0.35);
}
}
/* Fifth layer: readability overlay */
&:after {
background: #000;
/**
* Add a transition to the readability overlay, to add a subtle
* but smooth effect when resizing the screen.
*/
transition: opacity 1200ms ease-in-out;
opacity: 0.7;
z-index: 5;
/* When image filters are active, a blue overlay is added. */
.image-filters-enabled & {
background: mix($color__link, black, 12%);
opacity: 0.38;
@include media(tablet) {
opacity: 0.18;
}
}
}
::-moz-selection {
background: rgba($color__background-body, 0.17);
}
::selection {
background: rgba($color__background-body, 0.17);
}
}