JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div class="form-group">
    <label for="accountSpan">Account name</label>
        <div class="input-group input-group-unstyled">
            <span class="input-group-addon" id="accountSpan">something</span>
            <input type="text" class="form-control" placeholder="account name" aria-describedby="basic-addon1" id="accountInput">
            <span class="input-group-addon">
                <i class="glyphicon glyphicon-question-sign"></i>
            </span>
       </div>
</div>

SCSS

.input-group.input-group-unstyled input.form-control {
                -webkit-border-radius: 4px;
                   -moz-border-radius: 4px;
                        border-radius: 4px;
            }
            .input-group-unstyled .input-group-addon:last-child {
                border-radius: 4px;
                border: 0px;
                background-color: transparent;
            }