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@include transition(all .2s ease-in-out);

@include clearfix;

tint(red, 40%); //Оттенок светлее
shade(blue, 60%); //Оттенок темнее

//Линейный градиент
@include linear-gradient(50deg, #1e5799 0%, #2989d8 50%, #207cca 51%, #7db9e8 100%);

//Треугольники
@include triangle(12px, gray, down);
@include triangle(12px 6px, gray lavender, up-left);