how can i get the label an input text field to lay side by side

 <div class="contains_1">

    <h3 class="sub_title" id="con_info">Contact Information</h3>

  <label class="lab" id="full">Full Name</label>
 <input type="text" id="fullname" name="Full Name" placeholder="required" required="required">

    <label class="lab" id="mail">Email Address</label>
 <input type="text" id="email" name="Email Address" placeholder="required" required="required">

   <label class="lab" id="wire">Phone</label>
   <input type="text" id="phone" name="Phone Number" placeholder="absolutely" required="required">

    <fieldset id="mailfield">
   <legend>Mailing Info</legend>
   <label class="lab">Street Address</label>
   <input type="text" id="address" name="Street Address" placeholder="optional" required="required" class="data">

   <label class="lab">City</label>
   <input type="text" id="city" name="City" placeholder="optional" required="required" class="data">


   <select name="states">
   <option value="choose state">Choose State</option>
   <option value="new york">New York</option>
   <option value="new jersey">New Jersey</option>
   </select>  


    <label class="zip">Zip Code</label>
    <input type="text" id="zip" name="Zipcode" placeholder="optional" required="required"> 
     </fieldset>
    </div>

     ```html