<label class="if-liquid">
  <span class="if-liquid-label">Project name</span>
  <input type="text" name="project" placeholder="My next big idea…" required />
</label>

.if-liquid {
  display: grid;
  gap: 6px;
  width: 100%;
  max-width: 280px;
  font-size: 11px;
  color: #b8b6d4;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.if-liquid input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 14px;
  background: #1a1a22;
  border: 1px solid #2a2a36;
  border-radius: 8px;
  color: #f0eeff;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
  outline: none;
  background-image:
    linear-gradient(90deg, #fbbf24, #fbbf24), linear-gradient(0deg, #fbbf24, #fbbf24),
    linear-gradient(90deg, #fbbf24, #fbbf24), linear-gradient(0deg, #fbbf24, #fbbf24);
  background-repeat: no-repeat;
  background-size:
    0 2px,
    2px 0,
    0 2px,
    2px 0;
  background-position:
    0 0,
    100% 0,
    100% 100%,
    0 100%;
  transition:
    background-size 0.35s linear,
    border-color 0.2s;
}

.if-liquid input::placeholder {
  color: #b8b6d4;
}

.if-liquid input:focus {
  border-color: transparent;
  background-size:
    100% 2px,
    2px 100%,
    100% 2px,
    2px 100%;
  transition-delay: 0s, 0.35s, 0.7s, 1.05s;
  transition-duration: 0.35s;
}