body{font-family:Arial,sans-serif;background-color:#fff;margin:0;padding:0}body,h1,h2,h3,h4,h5,h6{color:#333}a{color:#0070f3;text-decoration:none}button{color:#fff;border:none;padding:10px 20px;cursor:pointer;border-radius:5px;transition:background-color .3s}button:hover{background-color:silver}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center}.overlay-content{background-color:#fff;padding:20px;border-radius:10px;box-shadow:0 4px 6px rgba(0,0,0,.1)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px;border-bottom:1px solid #ddd}input[type=search]{padding:10px;margin-bottom:20px;border:2px solid silver;border-radius:5px}.img-responsive{max-width:20%;height:auto}@media (max-width:600px){.img-responsive{max-width:60%}}