input[type=text] { width: 130px; box-sizing: border-box; border: 2px solid #ccc; border-radius: 4px; font-size: 16px; background-color: #007FFF; background-image: url('search.png'); background-position: 10px 10px; background-repeat: no-repeat; padding: 12px 20px 12px 40px; -webkit-transition: width 0.4s ease-in-out; transition: width 0.4s ease-in-out;color:#fff;}input[type=text]:focus { width: 100%;}