:root {
    --columns: 1fr;
    --gap: 1.5rem;
  }
  @media (min-width: 20em) {
    :root {
      --columns: 1fr 1fr;
      --gap: 1rem;
    }
  }

  code {
    font-size: 16px;
    text-shadow: 1px 1px #fff;
  }
  .visually-hidden {
    position: absolute !important;
    height: 1px;
    width: 1px; 
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
  }
  
  [class^="btns_cnt"] {
    display: grid;
    grid-gap: var(--gap);
    grid-template-columns: var(--columns);
    justify-content: center;
    max-width: 330px;
    margin: 0 auto;
    padding: 1rem 0;
  }
  [class^="dwnld_lnk"] {
    border-radius: 4px;
    transition: all 0.3s ease-out;
    display: block;
    margin: 10px;
    text-decoration: none;
  }
  [class^="dwnld_lnk"]:hover,
  [class^="dwnld_lnk"]:focus {
    transform: scale(1.1);
  }
  [class^="dwnld_img"] {
    display: block;
    margin: 0 auto;
    width: 135px;
    height: 40px;
  }

  @media (max-width: 320px){
    [class^="dwnld_lnk"] {
     margin: 70px;
    }
  }