<label>Text</label>
<span class="validation-border"><input class="validation" type="Text"></input></span>
<label>Some text</label><input  ></input>

.validation:not(:focus) {
  -webkit-filter: blur(3px);
  filter: blur(3px);
  border:0;
}

.validation-border{
  border: 1px black solid;
  z-index:20;
}

<div class="input-like">
  <input>
</div>

.validation {
    border:0px;
}

.validation:focus {
    outline:none;
}