body {
   font-family: Arial, sans-serif;
   margin: 0;
   background: #fafafa;
 }

 header {
   background: white;
   color: rgb(55, 55, 55);
   padding: 20px;
   text-align: center;
 }

 nav {
   background: green;
   text-align: center;
   border-style: solid;
   border-color: green;
   border-width: 1px;
 }

 nav a {
   color: white;
   margin: 0 12px;
   text-decoration: none;
   padding: 1rem;
   display: inline-block;
 }

 nav a:hover {
   color: green;
   background-color: white;
 }

 #logo_pizzeria_maestro {
   max-width: 50%;
 }

 .container {
   padding: 3rem;
   max-width: 1200px;
   min-height: 70%;
   display: flex;
   justify-content: center;
   align-items: flex-start;
   flex-wrap: wrap;
   flex-direction: row;
   margin: auto;
 }

 .pizza-card {
   background: white;
   border-radius: 10px;
   box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
   overflow: hidden;
   text-align: center;
   width: 23%;
   height: auto;
   margin: 1%;
 }

 .pizza-card img {
   width: 100%;
   height: 180px;
   object-fit: contain;
 }

 .pizza-card h3 {
   margin: 15px 0 5px;
 }

 .pizza-card p {
   margin: 5px 15px 15px;
   color: #555;
 }

 footer {
   background: green;
   color: white;
   text-align: center;
   padding: 15px;
   margin-top: 40px;
 }

 @media only screen and (max-width:800px) {
   .pizza-card {
     width: 48%;
     margin: 1%;
     margin-bottom: 1rem;
     margin-top: 1rem;
   }
 }

 @media only screen and (max-width:550px) {
   .pizza-card {
     width: 80%;
     margin-bottom: 1rem;
     margin-top: 1rem;
   }

   #logo_pizzeria_maestro {
     max-width: 30%;
   }

   nav {
     font-size: 0.8rem;
     top: 0;
     z-index: 5;
     position: sticky;
   }

   nav a {
     padding: 0.5rem;
   }
 }