checkbox

gistfile1.txt

<label class="checkbox">
    <input class="checkbox_input" type="checkbox" name="checkbox" value="1">
    <span class="checkbox_input-emu"></span>
    <span class="checkbox_label-emu">Описание чекбокса</span>
</label>

<style>
.checkbox { 
  display: block; 
  position: relative; 
  padding: 0 0 0 30px; 
  margin-bottom: 15px;
  }
.checkbox_input { display: none;}
.checkbox_input-emu { 
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 20px; 
  height: 20px; 
  border:2px solid currentColor; 
  background: rgba(0, 0, 0, 0);
  cursor: pointer;
  color: #40E0D0;
  }
.checkbox_input-emu:after {
  display: block;
  opacity: 0;
  width: 20px;
  height: 20px;
  content: "\2714";
  color: currentColor;
  font-size: 20px;
  line-height: 20px;
  text-align: center;
  -webkit-transition: all 0.3s ease 0s; 
  -moz-transition: all 0.3s ease 0s; 
  -o-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}
.checkbox_input:checked + .checkbox_input-emu:after { opacity: 1;}
.checkbox_label-emu { display: inline-block;}
</style>