definicao de layout

public/assets/scss/aos/_easing.scss

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+$aos-easing: (
+  linear: cubic-bezier(.250, .250, .750, .750),
+
+  ease: cubic-bezier(.250, .100, .250, 1),
+  ease-in: cubic-bezier(.420, 0, 1, 1),
+  ease-out: cubic-bezier(.000, 0, .580, 1),
+  ease-in-out: cubic-bezier(.420, 0, .580, 1),
+
+  ease-in-back: cubic-bezier(.6, -.28, .735, .045),
+  ease-out-back: cubic-bezier(.175, .885, .32, 1.275),
+  ease-in-out-back: cubic-bezier(.68, -.55, .265, 1.55),
+
+  ease-in-sine: cubic-bezier(.47, 0, .745, .715),
+  ease-out-sine: cubic-bezier(.39, .575, .565, 1),
+  ease-in-out-sine: cubic-bezier(.445, .05, .55, .95),
+
+  ease-in-quad: cubic-bezier(.55, .085, .68, .53),
+  ease-out-quad: cubic-bezier(.25, .46, .45, .94),
+  ease-in-out-quad: cubic-bezier(.455, .03, .515, .955),
+
+  ease-in-cubic: cubic-bezier(.55, .085, .68, .53),
+  ease-out-cubic: cubic-bezier(.25, .46, .45, .94),
+  ease-in-out-cubic: cubic-bezier(.455, .03, .515, .955),
+
+  ease-in-quart: cubic-bezier(.55, .085, .68, .53),
+  ease-out-quart: cubic-bezier(.25, .46, .45, .94),
+  ease-in-out-quart: cubic-bezier(.455, .03, .515, .955)
+);
+
+// Easings implementations
+// Default timing function: 'ease'
+
+[data-aos] {
+  @each $key, $val in $aos-easing {
+    body[data-aos-easing="#{$key}"] &,
+    &[data-aos][data-aos-easing="#{$key}"] {
+      transition-timing-function: $val;
+    }
+  }
+}