body{font-family:"Tahoma",sans-serif;margin:0;background:#fff;color:#444;}header{background:#d35400;color:white;padding:20px;text-align:center;}nav{background:#e67e22;display:flex;justify-content:space-around;padding:10px;}main{padding:28px;}section.qilenav{background:#fff;border:3px double #d35400;border-radius:6px;padding:20px;margin:18px;}h1{color:#2c3e50;}p{font-size:1.05rem;}hr{border:1px dotted #d35400;}footer{background:#d35400;color:white;padding:15px;text-align:center;} ol{list-style-type:upper-roman;background:#fff;border-left:5px solid #00695c;padding:15px 25px;margin:20px 0;}   

img {
  float: left;
  max-width: 21%;
  margin-right: 21px;
}

.qilenav {
  overflow: auto;
  margin-bottom: 21px;
  padding: 21px;
  background-color: #f5f5f5; /* Светло-серый цвет фона */
  border-radius: 15px; /* Скругленные углы */
}