<div class="container">
  <input placeholder='Search...' class='js-search' type="text">
  <i class="fa fa-search"></i>
</div>

<div class="social">
  <a href="https://twitter.com/StefCharle" target="_blank">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/149103/twitter.svg" alt="">
  </a>
</div>

*{ box-sizing: border-box; }

body{
  position: relative;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(to bottom right, #274B74 0%, #8233C5 50%, #E963FD 100%);
  font-family: "Montserrat", sans-serif;
  overflow: hidden;
}

.container{
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

input[type=text]{
  position: relative;
  padding: 15px 40px 15px 20px;
  width: 20px;
  color: #525252;
  text-transform: uppercase;
  font-size: 16px;
  font-weight: 100;
  letter-spacing: 2px;
  border: none;
  border-radius: 5px;
  background: linear-gradient(to right, #FFFFFF 0%,#464747 #F9F9F9 100%);
  transition: width 0.4s ease;
  outline: none;
  
  &:focus{ width: 300px; }
}

i{
  position: relative;
  left: -37px;
  color: #8233C5;
}

.social{
  position: absolute;
  right: 35px;
  bottom: 35px;
  
  img{
    display: block;
    width: 32px;
  }
}