Sr Only

<div class="demo-padding_container padding">
    <button>regular visible button</button>
    <button class="sr-only">
    .sr-only button
  </button>
</div>
<div class="demo-padding_container padding">
  <button>regular visible button</button>
  <button class="sr-only">
    .sr-only button
  </button>
</div>
{
  "utilities": {
    "padding": [
      "padding--half",
      "padding-top--half",
      "padding-right--half",
      "padding-bottom--half",
      "padding-left--half",
      "padding",
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left",
      "padding--3halves",
      "padding-top--3halves",
      "padding-right--3halves",
      "padding-bottom--3halves",
      "padding-left--3halves",
      "padding--2x",
      "padding-top--2x",
      "padding-right--2x",
      "padding-bottom--2x",
      "padding-left--2x"
    ],
    "margin": [
      "margin--half",
      "margin-top--half",
      "margin-right--half",
      "margin-bottom--half",
      "margin-left--half",
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left",
      "margin--3halves",
      "margin-top--3halves",
      "margin-right--3halves",
      "margin-bottom--3halves",
      "margin-left--3halves",
      "margin--2x",
      "margin-top--2x",
      "margin-right--2x",
      "margin-bottom--2x",
      "margin-left--2x"
    ],
    "border-radius": [
      "radius",
      "radius-bottom"
    ],
    "border": [
      "border-bottom",
      "border-top",
      "border-left",
      "border-right",
      "border-bottom--primary",
      "border-top--primary",
      "border-left--primary",
      "border-right--primary",
      "no-border"
    ],
    "abs-position": [
      "a-top-right",
      "a-top-left",
      "a-bottom-right",
      "a-center"
    ]
  }
}

.sr-only will only show up if you use tab navigation or screen reader navigation. Click the first button below, and then use tab navigation to see the .sr-only button appear.