Checkbox as an attractive tick box

CSS
/*-------------------------*/
/*----- TICK CHECKBOX -----*/
/*------------------- -----*/

/* Customize the label (the container) */
.odac_tick_checkbox .container {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
  margin-bottom: 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  line-height: 16px;
  text-align: left;
  padding: 7px 6px 7px 37px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  background-color: #EBEBEB;
  border-radius: 4px;
  box-sizing: border-box;
  min-height: 40px;
}

.odac_tick_checkbox .container .vert_align_middle {
  position: static;
  transform: none;
}


/* Hide the browser's default checkbox */
.odac_tick_checkbox .container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

/* Create a custom checkbox */
.odac_tick_checkbox .checkmark {
  position: absolute;
  top: 7px;
  left: 6px;
  height: 25px;
  width: 25px;
  background-color: #D3D3D3;
}

/* On mouse-over, add a grey background color */
.odac_tick_checkbox .container:hover input ~ .checkmark {
  background-color: #ccc;
}

/* When the checkbox is checked, add a teal background */
.odac_tick_checkbox .container input:checked ~ .checkmark {
  background-color: var(--odac-color-main1);
}


/* Create the checkmark/indicator (hidden when not checked) */
.odac_tick_checkbox .checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

/* Show the checkmark when checked */
.odac_tick_checkbox .container input:checked ~ .checkmark:after {
  display: block;
}

/* Create the checkmark/indicator symbol (this shape is the tick!)*/
.odac_tick_checkbox .container .checkmark:after {
  left: 9px;
  top: 5px;
  width: 7px;
  height: 14px;
  border: solid white;
  border-width: 0 3px 3px 0;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}
HTML
  <div class="odac_tick_checkbox">
    <label class="container"><div class="vert_align_middle">My Option</div>
      <input type="checkbox" name="MyOption" value="1" >
      <span class="checkmark"></span>
    </label>
  </div>