html {
  overflow-x: hidden;
}

.menu-left {
  left: -270px;
  opacity: 0.7;
}

.menu-left-open {
  left: 0;
  opacity: 1;
}

.container {
  padding: 0 50px;
}

nav1 {
  background: #fff;
  position: absolute;
  width: 265px;
  height: 100%;
  z-index:9;
  top:121px;
  transition: all 200ms ease-in-out;
}
nav1 h3 {
  color: #afdefa;
  padding: 20px;
  background: #0d77b6;
  font-size: 1.9em;
  margin: 0;
}

/* Push classes for body */
.menu-push {
  overflow-x: hidden;
  position: relative;
  left: 0;
}

.menu-push-right {
  left: 270px;
}

.menu-push, .menu-push-right {
  transition: 200ms ease-in-out;
}