我想减小自定义复选框的大小

Question

#_checkbox {
  display: none;
}

label {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  width: 100px;
  height: 100px;
  margin: 0 auto;
  background-color: #f72414;
  transform: translateY(-50%);
  border-radius: 50%;
  box-shadow: 0 7px 10px #ffbeb8;
  cursor: pointer;
  transition: 0.2s ease transform, 0.2s ease background-color, 0.2s ease box-shadow;
  overflow: hidden;
  z-index: 1;
}

label:before {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  width: 70px;
  height: 70px;
  margin: 0 auto;
  background-color: #fff;
  transform: translateY(-50%);
  border-radius: 50%;
  box-shadow: inset 0 7px 10px #ffbeb8;
  transition: 0.2s ease width, 0.2s ease height;
}

label:hover:before {
  width: 55px;
  height: 55px;
  box-shadow: inset 0 7px 10px #ff9d96;
}

label:active {
  transform: translateY(-50%) scale(0.9);
}

#tick_mark {
  position: absolute;
  top: -1px;
  right: 0;
  left: 0;
  width: 60px;
  height: 60px;
  margin: 0 auto;
  margin-left: 14px;
  transform: rotateZ(-40deg);
}

#tick_mark:before,
#tick_mark:after {
  content: "";
  position: absolute;
  background-color: #fff;
  border-radius: 2px;
  opacity: 0;
  transition: 0.2s ease transform, 0.2s ease opacity;
}

#tick_mark:before {
  left: 0;
  bottom: 0;
  width: 10px;
  height: 30px;
  box-shadow: -2px 0 5px rgba(0, 0, 0, 0.23);
  transform: translateY(-68px)
}

#tick_mark:after {
  left: 0;
  bottom: 0;
  width: 100%;
  height: 10px;
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.23);
  transform: translateX(78px)
}

#_checkbox:checked+label {
  background-color: #07d410;
  box-shadow: 0 7px 10px #92ff97;
}

#_checkbox:checked+label:before {
  width: 0;
  height: 0;
}

#_checkbox:checked+label #tick_mark:before,
#_checkbox:checked+label #tick_mark:after {
  transform: translate(0);
  opacity: 1;
}

<div class="custom-checkbox">
  <input type="checkbox" id="_checkbox">
  <label for="_checkbox">
  <div id="tick_mark"></div>
</label>
</div>

*
{
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

html, body
{
    height: 100%;
}

body
{
    margin: 0;
}

#_checkbox
{
    display: none;
}

label
{
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background-color: #f72414;
    transform: translateY(-50%);
    border-radius: 50%;
    box-shadow: 0 7px 10px #ffbeb8;
    cursor: pointer;
    transition: 0.2s ease transform, 0.2s ease background-color, 0.2s ease box-shadow;
    overflow: hidden;
    z-index: 1;
}

label:before
{
    content: "";
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    width: 70px;
    height: 70px;
    margin: 0 auto;
    background-color: #fff;
    transform: translateY(-50%);
    border-radius: 50%;
    box-shadow: inset 0 7px 10px #ffbeb8;
    transition: 0.2s ease width, 0.2s ease height;
}

label:hover:before
{
    width: 55px;
    height: 55px;
    box-shadow: inset 0 7px 10px #ff9d96;
}

label:active
{
    transform: translateY(-50%) scale(0.9);
}

#tick_mark
{
    position: absolute;
    top: -1px;
    right: 0;
    left: 0;
    width: 60px;
    height: 60px;
    margin: 0 auto;
    margin-left: 14px;
    transform: rotateZ(-40deg);
}

#tick_mark:before, #tick_mark:after
{
    content: "";
    position: absolute;
    background-color: #fff;
    border-radius: 2px;
    opacity: 0;
    transition: 0.2s ease transform, 0.2s ease opacity;
}

#tick_mark:before
{
    left: 0;
    bottom: 0;
    width: 10px;
    height: 30px;
    box-shadow: -2px 0 5px rgba(0,0,0,0.23);
    transform: translateY(-68px)
}

#tick_mark:after
{
    left: 0;
    bottom: 0;
    width: 100%;
    height: 10px;
    box-shadow: 0 3px 5px rgba(0,0,0,0.23);
    transform: translateX(78px)
}

#_checkbox:checked + label
{
    background-color: #07d410;
    box-shadow: 0 7px 10px #92ff97;
}

#_checkbox:checked + label:before
{
    width: 0;
    height: 0;
}

#_checkbox:checked + label #tick_mark:before, #_checkbox:checked + label #tick_mark:after
{
    transform: translate(0);
    opacity: 1;
}

a
{
    position:absolute;
    bottom: 10%;
    right: 0;
    left: 0;
    width: 144px;
    padding:10px;
    margin: 0 auto;
    color: #f72414;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
    font-family: Verdana;
    line-height: 1;
    border: 2px solid #f72414;
    border-radius: 2px;
}

<div class="custom-checkbox">
<input type="checkbox" id="_checkbox">
<label for="_checkbox">
  <div id="tick_mark"></div>
</label>
</div>
<p>Size needed --- 25px(width& height</p>

我的自定义复选框非常大，我想减小自定义复选框的大小

到目前为止，这是带有巨大复选框的代码

<div class="custom-checkbox">
   <input type="checkbox" id="_checkbox">
   <label for="_checkbox">
   <div id="tick_mark"></div>
   </label>
 </div>

我希望它的大小为25px宽25px高 单击时出现刻度线 减小复选框的大小，包括何时选中和何时不选中