PRIMARY PAGE HEADER

Input group

Example

@
@example.com
https://example.com/users/
kr
,00
With textarea 
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="basic-addon1">@</span>
    </div>
    <input type="text" class="form-control" placeholder="Username">
</div>

<div class="input-group mb-3">
    <input type="text" class="form-control" placeholder="Recipient's username">
    <div class="input-group-append">
        <span class="input-group-text" id="basic-addon2">@example.com</span>
    </div>
</div>

<label for="basic-url">Your vanity URL</label>
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="basic-addon3">https://example.com/users/</span>
    </div>
    <input type="text" class="form-control" id="basic-url">
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text">kr</span>
    </div>
    <input type="text" class="form-control">
    <div class="input-group-append">
        <span class="input-group-text">,00</span>
    </div>
</div>

<div class="input-group">
    <div class="input-group-prepend">
        <span class="input-group-text">With textarea</span>
    </div>
    <textarea class="form-control"></textarea>
</div>

Sizing

Small
Default
Large 
<div class="input-group input-group-sm mb-3">
    <div class="input-group-prepend">
    <span class="input-group-text" id="inputGroup-sizing-sm">Small</span>
        </div>
    <input type="text" class="form-control">
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-default">Default</span>
    </div>
    <input type="text" class="form-control">
</div>

<div class="input-group input-group-lg">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-lg">Large</span>
    </div>
    <input type="text" class="form-control">
</div>

Multiple inputs

First and last name 
<div class="input-group">
    <div class="input-group-prepend">
        <span class="input-group-text">First and last name</span>
    </div>
    <input type="text" class="form-control">
    <input type="text" class="form-control">
</div>

Multiple addons

kr 0,00
kr 0,00 
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text">kr</span>
        <span class="input-group-text">0,00</span>
    </div>
    <input type="text" class="form-control">
</div>

<div class="input-group">
    <input type="text" class="form-control">
    <div class="input-group-append">
        <span class="input-group-text">kr</span>
        <span class="input-group-text">0,00</span>
    </div>
</div>

Button addons

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button class="btn btn-outline-secondary" type="button" id="button-addon1">Button</button>
    </div>
    <input type="text" class="form-control" placeholder="">
</div>

<div class="input-group mb-3">
    <input type="text" class="form-control" placeholder="Recipient's username">
    <div class="input-group-append">
        <button class="btn btn-outline-secondary" type="button" id="button-addon2">Button</button>
    </div>
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend" id="button-addon3">
        <button class="btn btn-outline-secondary" type="button">Button</button>
        <button class="btn btn-outline-secondary" type="button">Button</button>
    </div>
    <input type="text" class="form-control" placeholder="">
</div>

<div class="input-group">
    <input type="text" class="form-control" placeholder="Recipient's username">
    <div class="input-group-append" id="button-addon4">
        <button class="btn btn-outline-secondary" type="button">Button</button>
        <button class="btn btn-outline-secondary" type="button">Button</button>
    </div>
</div>

Buttons with dropdowns

Action Another action Something else here Separated link
Action Another action Something else here Separated link 
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown">
            Dropdown
        </button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
    <input type="text" class="form-control">
</div>

<div class="input-group">
    <input type="text" class="form-control">
    <div class="input-group-append">
        <button class="btn btn-outline-secondary dropdown-toggle" type="button" data-toggle="dropdown">
            Dropdown
        </button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
</div>

Split buttons

Action Another action Something else here Separated link
Action Another action Something else here Separated link 
<div class="input-group mb-3">
    <div class="input-group-prepend">
        <button type="button" class="btn btn-outline-secondary">Action</button>
        <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown">
            Toggle Dropdown
        </button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
    <input type="text" class="form-control">
</div>

<div class="input-group">
    <input type="text" class="form-control">
    <div class="input-group-append">
        <button type="button" class="btn btn-outline-secondary">Action</button>
        <button type="button" class="btn btn-outline-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown">
            Toggle Dropdown
        </button>
        <div class="dropdown-menu">
            <a class="dropdown-item" href="#">Action</a>
            <a class="dropdown-item" href="#">Another action</a>
            <a class="dropdown-item" href="#">Something else here</a>
            <div role="separator" class="dropdown-divider"></div>
            <a class="dropdown-item" href="#">Separated link</a>
        </div>
    </div>
</div>