galaxy/Inputs/Minka1902_neat-bear-54.html

<div class="input-container">
  <input type="text" name="text" class="input">
  <label class="label">Input title</label>
  <div class="top-line"></div>
  <div class="under-line"></div>
</div>
<style>
/* From Uiverse.io by Minka1902 - Tags: input, code, click, border, html, css, css effect */
.input-container {
  position: relative;
  width: clamp(100px, 100%, 200px);
}

.input {
  padding: 10px;
  height: 40px;
  width: clamp(100px, 100%, 200px);
  border: 2px solid #0B2447;
  border-top: none;
  font-size: 16px;
  background: transparent;
  outline: none;
  box-shadow: 7px 7px 0px 0px #0B2447;
  transition: all 0.5s;
}

.input:focus {
  box-shadow: none;
  transition: all 0.5s;
}

.label {
  position: absolute;
  top: 10px;
  left: 10px;
  color: #0B2447;
  transition: all 0.5s;
  transform: scale(0);
  z-index: -1;
}

.input-container .top-line {
  position: absolute;
  content: "";
  background-color: #0B2447;
  width: 100%;
  height: 2px;
  right: 0;
  top: 0;
  transition: all 0.5s;
}

.input-container input[type="text"]:focus~.top-line {
  width: 35%;
  transition: all 0.5s;
}

.input-container .under-line {
  position: absolute;
  content: "";
  background-color: #0B2447;
  width: 0%;
  height: 2px;
  right: 0;
  bottom: 0;
  transition: all 0.5s;
}

.input-container input[type="text"]:focus~.under-line {
  width: 100%;
  transition: all 0.5s;
}

.input-container input[type="text"]:focus~.label {
  top: -10px;
  transform: scale(1);
  transition: all 0.5s;
}
</style>