<form class="fInput text-center row" action="code.php" method="POST">
 
    <div class="col-lg-12">
        <div class="form-group">
            <input type="text" class="custom-input-style name" name="b_name" placeholder="Enter Your Name" required="">
        </div>
    </div>
    <div class="col-lg-12">
        <div class="form-group">
            <input type="email" class="custom-input-style email" name="b_email" placeholder="Enter Your Email Address" required="">
        </div>
    </div>
    <div class="col-lg-12">
        <div class="form-group">
                          
                <input type="number" name="b_num" placeholder="Enter Your Phone No" class="form-control" required="required" onkeypress="return Validate_number(event);" data-sharkid="__2">
           
            
        </div>
    </div>  
     <div class="col-lg-12">
        <div class="form-group">
                          
                <input type="text" name="b_topic" placeholder="Enter Your Topic" class="form-control" required="required" onkeypress="return Validate_name(event);" data-sharkid="__3">
           
            
        </div>
    </div>  
    <div class="col-lg-12">
        <div class="form-group">
            <!--<input type="button" class="themeBtn lpformsubmit" name="banner_btn" >-->
             <button type="submit" href="javascript:;" class="themeBtn lpformsubmit" name="banner_btn">Let’s Get Started</button>
        </div>
    </div>
</form>