<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <!--<form class="form-horizontal my-2 my-md-0 search-form" [formGroup]="searchForm" role="form" (ngSubmit)="onSubmit()"> <div class="input-group" [ngClass]="{'has-error':!searchForm.controls['searchText'].valid}"> <input type="text" class="form-control mr-sm-2" size="50" formControlName="searchText"> <span class="input-group-btn"> <button class="btn btn-default my-2 my-sm-0" type="submit" > <i class="glyphicon glyphicon-search" aria-hidden="true"></i> </button> </span> </div> </form>--> <div class="col-lg-6" style="margin-top: 7px;"> <form class="form-horizontal my-2 my-md-0 search-form" [formGroup]="searchForm" role="form" (keyup.enter)="onSubmit()"> <div class="input-group"> <input type="text" class="form-control" formControlName="searchText" size="50"> <span class="input-group-btn fa fa-search form-control-feedback"> </span> </div> </form> </div> </div>

@import url('//maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css'); .search-form .input-group { float: right !important; transition: all 0.35s, border-radius 0s; width: 32px; height: 32px; background-color: #fff; box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset; border-radius: 25px; border: 1px solid #ccc; } .search-form .input-group input.form-control { margin-left: -25px; border:none; background: transparent; box-shadow: none; display:block; padding: 1rem 2rem; } .search-form .input-group input.form-control::-webkit-input-placeholder { display: none; } .search-form .input-group input.form-control:-moz-placeholder { /* Firefox 18- */ display: none; } .search-form .input-group input.form-control::-moz-placeholder { /* Firefox 19+ */ display: none; } .search-form .input-group input.form-control:-ms-input-placeholder { display: none; } .search-form .input-group:hover, .search-form .input-group.hover { width: 100%; border-radius: 25px 25px 25px 25px; } .search-form .input-group span.form-control-feedback { position: absolute; top: -5px; bottom: 0px; right: -2px; left: 5px; display: block; width: 34px; height: 34px; line-height: 34px; text-align: center; color: #3596e0; left: initial; font-size: 14px; }