.container{width:100%;max-width:1200px;margin:0 auto;padding:0 15px}p{margin-bottom:1rem}.section{padding:60px 0}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:40px;position:relative}.section-title:after{content:"";display:block;width:60px;height:3px;background-color:#3498db;margin:15px auto 0}.btn{display:inline-block;padding:8px 20px;border-radius:4px;background-color:#3498db;color:#fff;transition:background-color .3s}.btn:hover{background-color:#2980b9}@media (max-width: 768px){.section{padding:40px 0}.section-title{font-size:1.5rem;margin-bottom:25px}}@media (max-width: 576px){.section{padding:30px 0}.section-title{font-size:1.25rem;margin-bottom:20px}}