/* cards */
#quiz {
display: grid;
- grid: repeat(3, 1fr) / repeat(4, 1fr);
+ grid: auto / repeat(6, 1fr);
grid-gap: 1ex;
- min-height: calc(100vh - 11.5ex);
-}
-@media (orientation: portrait) {
- #quiz {
- grid: repeat(6, 1fr) / repeat(2, 1fr);
- }
}
html {
overflow: hidden; /* rotation overflow on celebration */
}
figure {
- display: inline-block;
background: #224;
border: 1px solid #888;
perspective: 100em;
- position: relative;
}
figure:not(.turn):hover {
cursor: pointer;
/* card faces */
figure img {
backface-visibility: hidden;
+ -webkit-backface-visibility: hidden;
transform: rotateY(180deg); /* back */
transform-style: preserve-3d;
- -float: left; /* ff workaround to prevent click selection */
+ float: left; /* ff workaround to prevent click selection */
+ height: 100%;
+ object-fit: contain; /* center */
}
figure.mirror img {
transform: rotateY(180deg) scaleX(-1);
}
.good figure {
- animation: celebration 5s linear infinite;
+ animation: celebration 7s linear infinite;
background: none;
border: 0;
+ opacity: 1;
}
@keyframes celebration {
0% { filter: hue-rotate(0deg); transform: rotate(0deg) }
- 50% { filter: hue-rotate(180deg); transform: rotate(180deg) }
+ 33% { filter: hue-rotate(180deg); transform: rotate(180deg) }
+ 66% { filter: hue-rotate(360deg); transform: rotate(360deg) }
100% { filter: hue-rotate(360deg); transform: rotate(360deg) }
}
</style>