JSFiddle - React, Tailwind, and code Playground

HTML

<input type=text id="search">

CSS

#search{
background: url(search-white.png) no-repeat 10px 6px #fcfcfc;
border: 1px solid #d1d1d1;
position: fixed;
margin-left: 350px;
margin-right: 0px;
margin-top: 0px;
color: #bebebe;
width: 15px;
padding: 6px 15px 6px 35px;
-webkit-border-radius: 20px;
-moz-border-radius: 20px;
border-radius: 20px;
text-shadow: 0 2px 3px rgba(0, 0, 0, 0.1);
-webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15) inset;
-moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15) inset;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15) inset;
-webkit-transition: all 0.7s ease 0s;
-moz-transition: all 0.7s ease 0s;
-o-transition: all 0.7s ease 0s;
transition: all 0.7s ease 0s;
float: right;
    
}
#search:focus {
width: 200px;
margin-left: 200px;
}