mai.css

* {
  border: 0;
  margin: 0;
}
body {
  width: 100%;
  height: 100vh;
  background-image: linear-gradient(120deg, #84fab0 0%, #8fd3f4 100%);
}
.nav-main {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  margin: auto;
  height: 220px;
  width: 340px;
  transform: translateY(-35px);
}
.nav-main .nav-input {
  box-shadow: 0 1px 1px linear-gradient(to right, #fa709a 0%, #fee140 100%);
  padding-top: 20px;
  display: flex;
  flex-flow: wrap column;
  justify-content: space-around;
  align-items: center;
  height: 100%;
  width: 100%;
  background-image: linear-gradient(to right, #fa709a 0%, #fee140 100%);
  border-radius: 40px;
}
.nav-main .nav-input input {
  background-image: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%);
  flex: 0 1;
  outline-style: none;
  width: 180px;
  line-height: 30px;
  border-radius: 13px;
  padding-left: 13px;
  color: #111;
}
.nav-main .nav-input button {
  background-image: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%);
  height: 28px;
  border-radius: 13px;
  width: 60px;
  text-align: center;
  letter-spacing: 3px;
}