@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap");

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Roboto", sans-serif;
  height: 100vh;
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: linear-gradient(90deg, #7d4eb2, #5900b2);
}

.search {
  position: relative;
  height: 50px;
}

.input {
  width: 50px;
  height: 50px;
  font-family: inherit;
  transition: width 0.3s ease;
  padding: 0 12px;
  border: none;
}

.btn {
  height: 50px;
  width: 50px;
  font-size: 18px;
  position: absolute;
  left: 0;
  top: 0;
  background-color: #e7e7e7;
  border: none;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.input:focus,
.btn:focus {
  outline: none;
}

.search.active .input {
  width: 200px;
}

.search.active .btn {
  border-left: solid 1px #33333355;
  transform: translateX(198px);
}