.mashup-section{
    margin: 40px 0; 
    padding: 30px; 
    background: #f8f9fa; 
    border-radius: 12px; 
    text-align: center; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.mashup-section h3{
    margin-bottom: 20px; 
    color: #1DA1F2;
  }
  .follow-x-btn {
    display: inline-block;
    padding: 14px 28px;
    font-size: 1.1rem;
    font-weight: bold;
    color: white;
    background-color: #1DA1F2;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(29, 161, 242, 0.3);
  }
  
  .follow-x-btn:hover {
    background-color: #0c85d0;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(29, 161, 242, 0.4);
  }