@font-face {
font-family: 'LayijiMahaniyomV105';
src: 
url('./font/LayijiMahaniyomV105.ttf');
src: 
url('./font/LayijiMahaniyomV105.eot?') format('embedded-opentype'),
url('./font/LayijiMahaniyomV105.woff') format('woff'),
url('./font/LayijiMahaniyomV105.ttf') format('truetype');
}



.parent {display: block;position: relative;float: left;line-height: 60px;background-color: #FFFFFF;border-right:#CCC 1px solid; font-family: 'LayijiMahaniyomV105'; font-size: 30px;}
.parent a{margin: 10px;color: #000000;text-decoration: none;}
.parent:hover > ul {display:block;position:absolute;}
.child {display: none; font-family: 'LayijiMahaniyomV105'; font-size: 30px;}
.child li {background-color: #ffffff;line-height: 60px;border-bottom:#CCC 1px solid;border-right:#CCC 1px solid; width:100%;}
.child li a{color: #000000;}
ul{list-style: none;margin: 0;padding: 0px; min-width:10em; font-family: 'LayijiMahaniyomV105'; font-size: 30px;}
ul ul ul{left: 100%;top: 0;margin-left:1px; font-family: 'LayijiMahaniyomV105'; font-size: 30px;}
li:hover {background-color: #99ff99; font-family: 'LayijiMahaniyomV105'; font-size: 30px;}
.parent li:hover {background-color: #99ff99; font-family: 'LayijiMahaniyomV105'; font-size: 30px;}
.expand{font-size:12px;float:right;margin-right:5px;}

#myBtnTop {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #3399ff;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#myBtnTop:hover {
  background-color: #555;
}