body {
  margin: 0;
  padding: 0;
  font-family: 'Open Sans', arial;
}

a { text-decoration: none; }

div#overlay { display: none; }

a#toggle {
  position: fixed;
  background: url("../images/nav-icon1.png") left center no-repeat;
  top: 0px;
  left: 0px;
  //width: 40px;
  width: 100%;
  height: 40px;
  //background-color: rgba(0, 102, 204, 1);
  background-color:#EC0000;
  text-align: center;
  color: white;
  display: none;
  transition: all ease-out 0.3s;
  z-index: 999;
}

a#toggle i {
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}

main#content { padding: 0px; }

#menu {
  //text-align: center;
  text-align: right;
  transition: all ease-out 0.3s;
}

#menu a { color: white; }

#menu ul {
  font-family: ·L³n¥¿¶ÂÅé, Microsoft JhengHei;
  margin: 0;
  padding: 0;
  background-color: #000000;
}

#menu ul li {
  display: inline-block;
  position: relative;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

#menu ul li > a {
  display: inline-block;
  padding: 10px;
}

#menu ul li > a > i {
  margin-left: 15px;
  transition: all ease-out 0.3s;
  -webkit-transition: all ease-out 0.1s;
}

#menu ul li ul {
  display: none;
  position: absolute;
  //top: 20px;
  top: 0px;
  width: 200px;
  text-align: left;
}

#menu ul li ul li { display: block; }

#menu ul li ul li a { display: block; }

#menu ul li:hover > a { background-color: rgba(0, 0, 0, 0.3); }

#menu ul li:hover > a > i { transform: rotateZ(90deg); }

#menu ul li:hover ul { display: block; }

#menu .close-btn {
  display: none;
}

.close-btn {
  display: block;
  width: 250px;
  height: 1em;
  text-align: left;
  font-weight: bold;
  outline: none;
  font-size: 1em;
  font-family: ·L³n¥¿¶ÂÅé, Microsoft JhengHei;
}


@media screen and (max-width: 1000px) {

a#toggle { display: block; }

main#content {
  margin-top: 30px;
  transition: all ease-out 0.3s;
}
#menu {
  position: fixed;
  width: 250px;
  height: 100%;
  top: 0;
  left: 0;
  overflow: hidden;
  overflow-y: auto;
  background-color: #000000;
  transform: translateX(-250px);
  //padding-top: 3em;
  padding-top: 1em;
}

#menu .close-btn {
    display: block;
    position: absolute;
    top: 1em;
    left: 1em;
 }

#menu ul {
  text-align: left;
  background-color: transparent;
}

#menu ul li { display: block; border-top: 1px solid rgba(255, 255, 255, 0.1); }

#menu ul li a { display: block; }

#menu ul li a > i { float: right; }

#menu ul li ul {
  display: none;
  position: static;
  width: 100%;
  background-color: rgba(22,160,133, 0.2);
}

#menu ul li:hover > ul { display: none; }

#menu ul li:hover > a > i { transform: rotateZ(0); }

#menu ul li.open > a { background-color: rgba(0, 0, 0, 0.3); }

#menu ul li.open > a > i { transform: rotateZ(90deg); }

#menu ul li.open > ul { display: block; }

div#overlay {
  display: block;
  visibility: hidden;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  transition: all ease-out 0.3s;
  z-index: 1;
  opacity: 0.8;
}

html.open-menu { overflow: hidden; }

html.open-menu div#overlay {
  visibility: visible;
  opacity: 1;
  width: calc(-150%);
  left: 250px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .2);
  display: block;
}

html.open-menu a#toggle,
html.open-menu main#content { 
  transform: translateX(250px);
}

html.open-menu nav#menu {
  z-index: 3;
  transform: translateX(0);
}

}