/
image-focus.css
353 lines (331 loc) · 6.87 KB
/
image-focus.css
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/***************/
/* IMAGE FOCUS */
/***************/
/*=--------------=*/
/*= Hover styles =*/
/*=--------------=*/
#markdownBody img:hover {
filter: drop-shadow(0 0 3px #777);
cursor: zoom-in;
}
#markdownBody img:active {
transform: scale(0.975);
}
/*=---------=*/
/*= Overlay =*/
/*=---------=*/
#image-focus-overlay {
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: 2;
display: none;
cursor: zoom-out;
}
#image-focus-overlay::before {
content: "";
display: block;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-color: #000;
opacity: 0.9;
z-index: -1;
}
#image-focus-overlay.engaged {
display: initial;
}
#image-focus-overlay img {
margin: auto;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
/*=-------------------=*/
/*= Single-image mode =*/
/*=-------------------=*/
#image-focus-overlay:not(.slideshow) .image-number,
#image-focus-overlay:not(.slideshow) .slideshow-buttons,
#image-focus-overlay:not(.slideshow) .slideshow-help-text {
display: none;
}
/*=---------=*/
/*= Caption =*/
/*=---------=*/
#image-focus-overlay .caption {
position: absolute;
bottom: 0.75em;
background-color: rgba(0, 0, 0, 0.7);
left: 4.5em;
right: 4.5em;
margin: auto;
max-width: calc(100% - 9em);
text-align: center;
font-family: "Lucida Sans Unicode", "Source Sans Pro", Helvetica, "Trebuchet MS", sans-serif;
border-radius: 8px;
z-index: 1;
transition:
bottom 0.15s ease;
}
@supports (width: -moz-fit-content) {
#image-focus-overlay .caption {
width: -moz-fit-content;
}
}
@supports (width: fit-content) {
#image-focus-overlay .caption {
width: fit-content;
}
}
#image-focus-overlay .caption.hidden {
bottom: -50%;
transition:
bottom 0.5s ease-in;
}
#image-focus-overlay .caption p {
margin: 1em 1.25em;
color: #fff;
}
#image-focus-overlay .caption code {
background-color: inherit;
border: none;
font-size: 1em;
}
#image-focus-overlay .caption a {
color: #ccc;
}
#image-focus-overlay .caption a:hover {
color: #aaa;
}
#image-focus-overlay .caption:not(:empty)::before {
content: "";
display: block;
position: absolute;
width: 100vw;
height: calc(100% + 1.5em);
z-index: -1;
top: -0.75em;
left: calc(-50vw + 50%);
}
/*=--------------=*/
/*= Help overlay =*/
/*=--------------=*/
#image-focus-overlay .help-overlay {
position: absolute;
display: flex;
flex-flow: column;
z-index: 2;
font-family: "Lucida Sans Unicode", "Source Sans Pro", Helvetica, "Trebuchet MS", sans-serif;
font-size: 1.25rem;
padding: 1em;
border-radius: 10px;
bottom: 1em;
right: 1em;
overflow: hidden;
white-space: nowrap;
color: transparent;
visibility: hidden;
transition:
visibility 1s ease,
color 1s ease,
background-color 1s ease,
bottom 0.3s ease;
}
#image-focus-overlay .help-overlay:hover {
max-width: 24em;
max-height: 14em;
background-color: rgba(0, 0, 0, 0.85);
color: #fff;
visibility: visible;
transition:
visibility 0.2s ease 0.3s,
color 0.2s ease 0.3s,
background-color 0.2s ease 0.3s;
}
#image-focus-overlay .help-overlay::after {
content: "?";
font-weight: bold;
font-size: 2rem;
position: absolute;
right: 0;
bottom: 0;
padding: 10px;
color: #000;
filter: drop-shadow(0 0 6px #fff);
visibility: visible;
opacity: 0.85;
transition:
visibility 1s ease;
}
#image-focus-overlay .help-overlay:hover::after {
visibility: hidden;
transition:
visibility 0.2s ease 0.3s;
}
#image-focus-overlay .help-overlay p {
margin: 0;
text-indent: -2em;
padding-left: 2em;
max-width: 100%;
overflow: hidden;
}
#image-focus-overlay .help-overlay p + p {
margin: 0.75em 0 0 0;
}
#image-focus-overlay .help-overlay.hidden {
bottom: -2em;
}
/*=--------------=*/
/*= Slide number =*/
/*=--------------=*/
#image-focus-overlay .image-number {
position: absolute;
z-index: 2;
font-family: "Lucida Sans Unicode", "Source Sans Pro", Helvetica, "Trebuchet MS", sans-serif;
font-size: 1.5rem;
left: 1em;
top: 1em;
font-weight: 600;
text-shadow:
0 0 3px #fff,
0 0 5px #fff,
0 0 8px #fff,
0 0 13px #fff;
width: 1.5em;
text-align: right;
white-space: nowrap;
transition: top 0.3s ease;
}
#image-focus-overlay .image-number::before {
content: "#";
opacity: 0.3;
}
#image-focus-overlay .image-number::after {
content: " of " attr(data-number-of-images);
opacity: 0.3;
}
#image-focus-overlay .image-number:hover::before,
#image-focus-overlay .image-number:hover::after {
opacity: 1.0;
}
#image-focus-overlay .image-number.hidden {
top: -1.25em;
}
/*=-------------------=*/
/*= Slideshow buttons =*/
/*=-------------------=*/
#image-focus-overlay .slideshow-buttons {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 2;
display: flex;
justify-content: space-between;
pointer-events: none;
}
#image-focus-overlay .slideshow-buttons button {
font-size: 3rem;
color: #ddd;
border: none;
background-color: transparent;
position: relative;
left: 0;
transition:
left 0.3s ease;
pointer-events: auto;
cursor: pointer;
width: 4rem;
background-repeat: no-repeat;
background-position: center;
background-origin: content-box;
}
#image-focus-overlay .slideshow-buttons button.next {
padding: 0.25em 0.25em 0.25em 0.375em;
}
#image-focus-overlay .slideshow-buttons button.previous {
padding: 0.25em 0.375em 0.25em 0.25em;
}
#image-focus-overlay .slideshow-buttons button svg {
pointer-events: none;
fill: currentColor;
}
#image-focus-overlay .slideshow-buttons button::selection {
background-color: transparent;
}
@media only screen and (hover: hover) {
#image-focus-overlay .slideshow-buttons button:hover {
background-color: rgba(0, 0, 0, 0.1);
color: #777;
}
#image-focus-overlay .slideshow-buttons button:not(:disabled):hover svg {
filter:
drop-shadow(0 0 1px #fff)
drop-shadow(0 0 3px #fff);
}
}
#image-focus-overlay .slideshow-buttons button:active {
transform: none;
color: #888;
}
#image-focus-overlay .slideshow-buttons button:disabled {
text-shadow: none;
background-color: transparent;
color: #ddd;
cursor: default;
opacity: 0.4;
}
#image-focus-overlay .slideshow-button.previous.hidden {
left: -1.75em;
}
#image-focus-overlay .slideshow-button.next.hidden {
left: 1.75em;
}
/*=---------=*/
/*= Tooltip =*/
/*=---------=*/
.image-wrapper {
position: relative;
display: block;
margin: auto;
}
.image-wrapper::after {
content: "Click to enlarge";
display: block;
position: absolute;
margin: auto;
left: 0;
right: 0;
bottom: 10px;
padding: 6px 15px 7px 15px;
font-size: 1rem;
font-family: "Lucida Sans Unicode", "Source Sans Pro", Helvetica, "Trebuchet MS", sans-serif;
background-color: rgba(0, 0, 0, 0.75);
color: #fff;
border-radius: 5px;
opacity: 0.0;
transition: opacity 0.15s ease;
pointer-events: none;
}
@supports (width: -moz-fit-content) {
.image-wrapper,
.image-wrapper::after {
width: -moz-fit-content;
}
}
@supports (width: fit-content) {
.image-wrapper,
.image-wrapper::after {
width: fit-content;
}
}
.image-wrapper:hover::after {
opacity: 1.0;
}