Answer to Put form on one line

HTML

<form action="AdminControl.php" id="Dorder" method="POST">
        <h3><b>Delete Order</b> </h3>
        Order Number: <input type="text" name="Onumber"><br><br>

        <input type="submit" name="deleteorder" value="Delete Order">
    </form>
    <form action="AdminControl.php" id="Dcustomer" method="POST">
        <h3><b>Delete Customer</b> </h3>
        Customer Number: <input type="text" name="Cnumber"><br><br>

        <input type="submit" name="deletecustomer" value="Delete Customer">
    </form>
    <form action="AdminControl.php" id="admin" method="POST">
        <h3><b>Add Admin</b> </h3>
        User Name: <input type="text" name="UserName"><br><br>        
        Password: <input type="password" name="PassWord"><br><br>

        <input type="submit" name="addadmin" value="Add Admin">
    </form>
    <form action="AdminControl.php" id="Uadmin" method="POST">
        <h3><b><u>Update Admin</u></b> </h3>
        User Name: <input type="text" name="UserName"><br><br>
        Password: <input type="password" name="PassWord"><br><br>

        <input type="submit" name="updateadmin" value="Update">
    </form>
    <form action="AdminControl.php" id="Uorder" method="POST">
        <h3><b><u>Update Order</u></b> </h3>
        Order Number: <input type="text" name="Onumber"><br><br>
        Product Name: <input type="text" name="product_name"><br><br>
        Customer Name: <input type="text" name="name"><br><br>
        Customer Number: <input type="text" name="Cnumber"><br><br>
        E-mail: <input type="text" name="email"><br><br>
        Phone Number: <input type="text" name="phone"><br><br>
        Quantity: <input type="text" name="quantity"><br><br>

        <input type="submit" name="updateorder" value="Update">
    </form>
    <form action="AdminControl.php" id="Ucustomer" method="POST">
        <h3><b><u>Update Customer</u></b> </h3>
        Order Number: <input type="text" name="Onumber"><br><br>
        Product Name: <input type="text"...

CSS

body{
            background: radial-gradient(circle at 50% 30%, #272f42, #11131a);
            color:white;
        }
        
        form {
            float: left;
            vertical-align: 10px;
            width: 25%;
        }