Input group

<div class="ds-block">

    <form class="ds-form">

        <div class="ds-form-group">
            <label class="ds-label" for="username">Choose username</label>

            <div class="ds-input-group">
                <div class="ds-input-group__prepend">
                    <span class="ds-input-group__text">@</span>
                </div>
                <input class="ds-text-input" type="text" id="username" placeholder="Your username">
            </div>

        </div>

    </form>

    <form class="ds-form">

        <div class="ds-form-group">
            <label class="ds-label" for="email">La Trobe email address</label>
            <div class="ds-input-group">
                <input class="ds-text-input" type="text" id="email" placeholder="Your email address">
                <div class="ds-input-group__append">
                    <span class="ds-input-group__text">@latrobe.edu.au</span>
                </div>
            </div>
        </div>

    </form>

    <form class="ds-form">

        <div class="ds-form-group">
            <label class="ds-label" for="donation">Donation</label>
            
            <div class="ds-input-group">
                <div class="ds-input-group__prepend">
                    <span class="ds-input-group__text">$AUD</span>
                </div>
                <input class="ds-text-input" type="number" id="donation" placeholder="Your donation amount">
                <div class="ds-input-group__append">
                    <span class="ds-input-group__text">.00</span>
                </div>
            </div>

        </div>

    </form>

    <form class="ds-form">

        <div class="ds-form-group">
            <label class="ds-label" for="query_courses">Find your course</label>
            
            <div class="ds-input-group">
                <div class="ds-input-group__prepend">
                    <span class="ds-input-group__text ds-input-group__text--bg-white">
                        <span class="ds-icon-search ds-icon--red"></span>
                    </span>
                </div>
                <input class="ds-text-input" type="search" id="query_courses" placeholder="Search for a course by keyword, course &hellip;">
                <input type="submit" id="course-search-submit" value="Search">
            </div>

        </div>

    </form>

</div>