// Шрифт
@mixin font-family () {
  font-family: "Open Sans", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

// Текст в одну строку
@mixin text-line () {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

// Стиль placeholder для тега input
@mixin placeholder ($color: rgba(#000000, 0.5)) {
  // https://stackoverflow.com/questions/15497550/change-input-placeholder-color-darker
  &::-webkit-input-placeholder {
    color: $color;
    opacity: 1 !important; // For older chrome versions
  }
  &::-moz-placeholder { /* Firefox 18- */
    color: $color;
    opacity: 1 !important;
  }
  &:-moz-placeholder { /* Firefox 19+ */
    color: $color;
    opacity: 1 !important;
  }
  &:-ms-input-placeholder { color: $color; }
}