.nav-right {
  display: inline-block;
}
body {
  overflow: hidden;
}
#canvas {
  height: calc(100% - 56px);
  display: inline-block;
  vertical-align: top;
  background: none;
  width: 100%;
  position: absolute;
}
.navbar-nav.navbar-right:last-child {
  margin-right: 5px;
}
.dropdown-menu::after,
.dropdown-menu::before {
  left: 80%;
}
body {
  margin: 0px;
  overflow: hidden !important;
}
.nva-left {
  width: 15%;
  height: calc(100% - 56px);
  overflow: auto;
  overflow-x: hidden;
  background-color: #454545;
  display: inline-block;
  position: absolute;
}
.aside-header {
  padding: 7px 10px;
  color: white;
  white-space: nowrap;
  background-color: #333;
  border-bottom: 1px solid #262626;
  box-shadow: 0 1px 0 -1px rgba(50, 50, 50, 0.3);
  margin-bottom: 10px;
}
.top {
  width: 100%;
  height: 56px;
  line-height: 56px;
  background-color: #131313;
  position: relative;
}
.open {
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -33px;
  margin-right: 26px;
}
.remove {
  position: absolute;
  right: 5px;
  top: 50%;
  margin-top: -17px;
  cursor: pointer;
}
.span1 {
  display: inline-block;
  margin-right: 15px;
  float: left;
  margin-left: 25px;
  color: #9d9d9d;
  font-size: 24px;
}
.span2 {
  display: inline-block;
  margin-right: 14px;
  margin-left: 10px;
  font-size: 15px;
  float: left;
  color: #9d9d9d;
}
.sheet {
  height: 30px;
  line-height: 20px;
  text-align: center;
  cursor: pointer;
  border: none !important;
  margin-bottom: 10px;
  color: white;
  padding-top: 5px;
  padding-bottom: 5px;
}
.sheet:hover {
  background: #333;
}
