Fix jumbotron lines

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

content/_index.html

@@ -3,7 +3,7 @@
 +++
 
 <div class="border-top" id="jumbotron">
-  <div class="container pt-4 pt-md-5">
+  <div class="container pt-4 pt-md-5 pb-3">
     <div>
       <div class="badge text-wrap border border-primary text-dark fs-6 mb-4 p-2"><b>Blaze</b>: Compiling JSON Schema for 10x Faster Validation. <a href="https://arxiv.org/abs/2503.02770">Read our paper</a></div>
 
@@ -34,7 +34,7 @@ <h2 class="fw-lighter d-none d-lg-block">
   </div>
 </div>
 
-<section class="border-top border-bottom bg-light-subtle mt-3 mb-4 shadow-sm">
+<section class="border-top border-bottom bg-light-subtle mb-4 shadow-sm">
   <div class="container text-secondary d-flex flex-column flex-xl-row align-items-center text-center text-xl-start">
     <div class="me-xl-5 my-4 text-nowrap">
       <p class="fs-5 mb-2 fw-light">