form checkbox replacement with large tick using label

CSS

input[type=checkbox] {
  display:none;
}
input[type=checkbox] + label
 {
     background: #999;
     height: 32px;
     width: 32px;
     display:inline-block;
     padding: 0 0 0 0px;
      border-radius:5px;
 }

 input[type=checkbox]:checked + label
  {
      background-color: #0080FF;
background-image: url(data:image/svg+xml;base64,PHN2ZyBhcmlhLWhpZGRlbj0idHJ1ZSIgZm9jdXNhYmxlPSJmYWxzZSIgZGF0YS1wcmVmaXg9ImZhcyIgZGF0YS1pY29uPSJjaGVjayIgY2xhc3M9InN2Zy1pbmxpbmUtLWZhIGZhLWNoZWNrIGZhLXctMTYiIHJvbGU9ImltZyIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB2aWV3Qm94PSIwIDAgNTEyIDUxMiI+PHBhdGggZmlsbD0iI0ZGRiIgZD0iTTE3My44OTggNDM5LjQwNGwtMTY2LjQtMTY2LjRjLTkuOTk3LTkuOTk3LTkuOTk3LTI2LjIwNiAwLTM2LjIwNGwzNi4yMDMtMzYuMjA0YzkuOTk3LTkuOTk4IDI2LjIwNy05Ljk5OCAzNi4yMDQgMEwxOTIgMzEyLjY5IDQzMi4wOTUgNzIuNTk2YzkuOTk3LTkuOTk3IDI2LjIwNy05Ljk5NyAzNi4yMDQgMGwzNi4yMDMgMzYuMjA0YzkuOTk3IDkuOTk3IDkuOTk3IDI2LjIwNiAwIDM2LjIwNGwtMjk0LjQgMjk0LjQwMWMtOS45OTggOS45OTctMjYuMjA3IDkuOTk3LTM2LjIwNC0uMDAxeiI+PC9wYXRoPjwvc3ZnPg==);
fill:#FFF;
      height: 32px;
      width: 32px;
      display:inline-block;
      padding: 0 0 0 0px;
      background-size:22px;
      background-repeat:no-repeat;
      background-position:center;
  }
.check-solid {
background-image: url(data:image/svg+xml;base64,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);
fill:#FFF;
}
.check-solid-white {
background-image: url(data:image/svg+xml;base64,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);
}

HTML

<input type="checkbox" name="checkme" value="valuable" id="checkme" checked /><label for="checkme"></label>

Working Result

Click on the checkbox below to see the result.