Adding Text To Css Checkbox Switch

I am trying to design a checkbox that looks like a switch using only CSS, and keeping as much as possible using em so that it can be scaled to any size and still look good. I've g

Solution 1:

I modified the CSS a bit to try to have the text inside the switch.

Depending on how big you want the text to be, you might have to adjust the font-size, margins, etc.

See updated fiddle

.em1-0 {
  font-size: 1em;
}

.em4-0 {
  font-size: 4em;
}

.switch {
  display: table-cell;
  vertical-align: middle;
  padding: 10px;
}

.cmn-toggle {
  position: absolute;
  margin-left: -9999px;
  visibility: hidden;
}

.cmn-toggle + label {
  display: block;
  position: relative;
  cursor: pointer;
  outline: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

input.cmn-toggle-jwr + label {
  width: 3em;
  height: 1.5em;
  background-color: #dddddd;
  -webkit-border-radius: 1.5em;
  -moz-border-radius: 1.5em;
  -ms-border-radius: 1.5em;
  -o-border-radius: 1.5em;
  border-radius: 1.5em;
  overflow: hidden;
}

input.cmn-toggle-jwr + label:before,
input.cmn-toggle-jwr + label:after {
  display: block;
  position: absolute;
  top: 1px;
  left: 1px;
  bottom: 1px;
  content: "";
}

input.cmn-toggle-jwr + label:before {
  right: 1px;
  background-color: #f1f1f1;
  -webkit-border-radius: 1.5em;
  -moz-border-radius: 1.5em;
  -ms-border-radius: 1.5em;
  -o-border-radius: 1.5em;
  border-radius: 1.5em;
  -webkit-transition: background 0.3s;
  -moz-transition: background 0.3s;
  -o-transition: background 0.3s;
  transition: background 0.3s;
  /* added these four */font-size: 0.75em;
  content:"off";
  text-align: right;
  padding: 0.25em0.35em;
}

input.cmn-toggle-jwr + label:after {
  width: 1.5em;
  width: calc(1.5em - 2px);
  background-color: #fff;
  -webkit-border-radius: 100%;
  -moz-border-radius: 100%;
  -ms-border-radius: 100%;
  -o-border-radius: 100%;
  border-radius: 100%;
  -webkit-box-shadow: 1px03pxrgba(0, 0, 0, 0.1);
  -moz-box-shadow: 1px03pxrgba(0, 0, 0, 0.1);
  box-shadow: 1px03pxrgba(0, 0, 0, 0.1);
  -webkit-transition: margin 0.3s;
  -moz-transition: margin 0.3s;
  -o-transition: margin 0.3s;
  transition: margin 0.3s;
}

input.cmn-toggle-jwr:checked + label:before {
  background-color: #8ce196;
  /* added these two */content: "on";
  text-align:left;
}

input.cmn-toggle-jwr:checked + label:after {
  margin-left: 1.5em;
}

<divclass="switch em4-0"><inputid="cmn-toggle-0"class="cmn-toggle cmn-toggle-jwr"type="checkbox"><labelfor="cmn-toggle-0"></label></div><br /><divclass="switch em1-0"><inputid="cmn-toggle-1"class="cmn-toggle cmn-toggle-jwr"type="checkbox"><labelfor="cmn-toggle-1">on</label></div>