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// Align element vertically inside
@mixin vertical-align-guide ($to-align: (), $align: middle, $pseudo-element: after) {
  &:#{$pseudo-element} {
    content: "";
    display: inline-block;
    width: 0;
    height: 100%;
    vertical-align: middle;
  }
  
  @if length($to-align) > 0 {
    @each $selector in $to-align {
      & > #{unquote($selector)} {
        vertical-align: $align;
      }
    }
  }
}


// Calculates the (approximated) square root for a given number
@function sqrt($number) {
  $guess: rand();
  $root: 4; // Academic guess, a.k.a random number
  @for $i from 1 through 10 {
    $root: $root - ($root*$root - $number) / (2 * $root);
  }
  @return $root;
}




@mixin v-valo-round {
  border-radius: 50%;
}




@mixin v-valo-tappable {
  @include user-select(none);
  -webkit-tap-highlight-color: rgba(0,0,0,0);
  -webkit-touch-callout: none;
}