#dropmenu {
  list-style-type: none;
  width: 900px;
  /*margin: 30px auto 500px;*/
  padding: 0;
}
#dropmenu li {
  position: relative;
  width: 150px;
  float: left;
  margin: 0;
  padding: 0;
  /*border: 1px solid #ffffff;*/
  text-align: center;
}
#dropmenu li a {
  display: block;
  margin: 0;
  padding: 13px 0;
  background: #0066cc;
  color: #fff;
  font-size: 13px;
  font-weight: bold;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border-top: 1px solid #000088;
  border-right: 1px solid #000088;
  /*background:url(../img/btn1.png);*/
}
#dropmenu li ul {
  list-style: none;
  position: absolute;
  z-index: 100;
  top: 100%;
  left: 0;
  width: 100%;
  margin: 0;
  padding: 0;
}
#dropmenu li ul li {
  overflow: hidden;
  width: 100%;
  height: 0;
  color: #fff;
  transition: .5s;
}
#dropmenu li ul li a {
  padding: 9px 15px;
  /*background: #7c8c0e;*/
  background: #7575ff; /* 2段目背景色 */
  text-align: left;
  font-size: 13px;
  font-weight: normal;
}
#dropmenu > li:hover > a {  /*background: #7c8c0e;*/ background: #c0c0ff;}
#dropmenu > li:hover li:hover > a { /*background: #6e7c0c;*/ background: #ff7000;} /* 2段目hover色 */
#dropmenu > li:hover > ul > li {
  overflow: visible;
  height: 38px;
}
#dropmenu li ul li ul {
  top: 0;
  left: 100%;
}
#dropmenu li:last-child ul li ul {
  left: -100%;
  width: 100%;
}
#dropmenu li ul li ul:before {
  position: absolute;
  content: "";
  top: 13px;
  left: -20px;
  width: 0;
  height: 0;
  border: 5px solid transparent;
  border-left-color: #ffffff;
}
#dropmenu li:last-child ul li ul:before {
  position: absolute;
  content: "";
  top: 13px;
  left: 200%;
  margin-left: -20px;
  border: 5px solid transparent;
  border-right-color: #ffffff;
}
#dropmenu li ul li:hover > ul > li {
  overflow: visible;
  height: 38px;
}
#dropmenu li ul li ul li a {  /*background: #616d0b;*/  background: #7575ff; }
#dropmenu li:hover ul li ul li a:hover { /*background: #535d09;*/  background: #ff7000; }