* {
  font-family: 'Lato', 'Noto Sans TC' , sans-serif;
  --bg-green: #999900;
  --bg-gray: #f1f1f0;
  --bg-light-gray: #f7f7f7;
  font-weight: 400;
  box-sizing: border-box;
  --max-width: 1920px
}

body {
  padding: 0;
  margin: 0 auto;
  max-width: var(--max-width);
  display: flex;
  justify-content: flex-start;
  height: 100vh;
  box-shadow: 0px 0px 9px 0px #CCC;
  background: var(--bg-light-gray);
}

/* menu*/

#menu {
  width: 4.2em;
  background: #FFF;
}

#menu ul {
  margin: 0;
  padding: 0;
}

#menu ul li {
  list-style: none;
}

#menu ul li a {
  text-decoration: none;
  color: #000;
  writing-mode: vertical-rl;
  padding: 1rem 1.5rem;
  display: block;
  font-size: 12pt;
  line-height: 15pt;
  text-align: center;
  letter-spacing: 1.76px;
}

#menu ul li a:hover, #menu ul li a.isPage {
  background: var(--bg-green);
  color: #FFF;
}

#menu {
  overflow-y: overlay;
  overflow-x: hidden;
}

#menu::-webkit-scrollbar {
  width: 0;
}

/* #menu::-webkit-scrollbar {
  width: 5px;
}
#menu::-webkit-scrollbar-track {
  background-color: #FFF;
}
#menu::-webkit-scrollbar-thumb {
  background-color: var(--bg-green); 
} */

/* subContent */
#subContent {
  background: var(--bg-gray);
  width: 22em;
  overflow: auto;
}

#subContent::-webkit-scrollbar {
  width: 0;
}

#subContent > img {
  width: 9em;
  display: block;
  margin: 2.5em 0 0 2em;
}

/* content */
#content {
  background: var(--bg-light-gray);
  max-width: calc(var(--max-width) - 22em - 4.2em);
  width: calc(100vw - 22em - 4.2em);
  display: flex;
  flex-direction: column;
}

/* container */
.container{
  height: calc(100% - 3.5em);
  overflow: auto;
}

.subContainer {
  margin-top: 3em;
}

/* footer */
footer {
  background: #FFF;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1em;
  height: 3.5em;
}

footer div a {
  text-decoration: none;
  font-size: 1.2em;
  line-height: 1.5em;
  height: 1.5em;
  width: 1.5em;
  display: inline-block;
  border-radius: 50%;
  text-align: center;
  color: #FFF;
  margin-right: 0.8em;
}

#selectFile {
  display:none;
}

footer div span, footer div span {
  color: #333333;
}

.rights {
  font-size: 8pt;
  letter-spacing: 1.76px;
}