#myInput { 
    width: 100%; 
    font-size: 14px; /* 加大字体 */ 
    padding: 12px 20px 12px 40px; 
    border: 1px solid #ddd; 
    margin-bottom: 12px; 
  } 

  #myUL { 
    list-style-type: none; 
    padding: 0; 
    margin: 0; 
    width: 300px;
    display: none;
  } 

  #myUL li a { 
    border: 1px solid #ddd; /* 链接添加边框 */ 
    margin-top: -1px; 
    background-color: #f6f6f6; 
    padding: 12px; 
    text-decoration: none; 
    font-size: 18px; 
    color: black; 
    display: block; 
  } 

  #myUL li a.header { 
    background-color: #5587A2; 
    cursor: default; 
  } 
  #myUL li a:hover:not(.header) { 
    background-color: #eee; 
  }