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-rw-r--r--scss/_placeholders.scss51
1 files changed, 51 insertions, 0 deletions
diff --git a/scss/_placeholders.scss b/scss/_placeholders.scss
new file mode 100644
index 0000000..6e32e1c
--- /dev/null
+++ b/scss/_placeholders.scss
@@ -0,0 +1,51 @@
+.placeholder {
+ display: inline-block;
+ min-height: 1em;
+ vertical-align: middle;
+ cursor: wait;
+ background-color: currentcolor;
+ opacity: $placeholder-opacity-max;
+
+ &.btn::before {
+ display: inline-block;
+ content: "";
+ }
+}
+
+// Sizing
+.placeholder-xs {
+ min-height: .6em;
+}
+
+.placeholder-sm {
+ min-height: .8em;
+}
+
+.placeholder-lg {
+ min-height: 1.2em;
+}
+
+// Animation
+.placeholder-glow {
+ .placeholder {
+ animation: placeholder-glow 2s ease-in-out infinite;
+ }
+}
+
+@keyframes placeholder-glow {
+ 50% {
+ opacity: $placeholder-opacity-min;
+ }
+}
+
+.placeholder-wave {
+ mask-image: linear-gradient(130deg, $black 55%, rgba(0, 0, 0, (1 - $placeholder-opacity-min)) 75%, $black 95%);
+ mask-size: 200% 100%;
+ animation: placeholder-wave 2s linear infinite;
+}
+
+@keyframes placeholder-wave {
+ 100% {
+ mask-position: -200% 0%;
+ }
+}