kbd {
    font-family: Consolas, "Lucida Console", monospace;
    display: inline-block;
    border-radius: 3px;
    padding: 0px 4px;
    box-shadow: 1px 1px 1px #777;
    margin: 2px;
    font-size: small;
    vertical-align: text-bottom;
    background: #eee;
    font-weight: 500;
    color: #555;
    cursor: pointer;
    font-variant: small-caps;
    font-weight: 600;
  
    /* This two work */
    /* letter-spacing: 0.5px; */
    letter-spacing: 1px;
  
  
    /* Prevent selection */
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  kbd:hover, kbd:hover * {
    color: black;
    /* box-shadow: 1px 1px 1px #333; */
  }
  kbd:active, kbd:active * {
    color: black;
    box-shadow: 1px 1px 0px #ddd inset;
  }
  
  kbd kbd {
    padding: 0px;
    margin: 0 1px;
    box-shadow: 0px 0px 0px black;
    vertical-align: baseline;
    background: none;
  }
  
  kbd kbd:hover {
    box-shadow: 0px 0px 0px black;
  }
  
  kbd:active kbd {
    box-shadow: 0px 0px 0px black;
    background: none;
  }