.opc-navigation-wrap {
  display: block;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 8px;
  min-height: 8px;
  max-height: 50%;
  transition: height 300ms ease;
  background-color: #fff;
  z-index: 100;
}
.opc-navigation-wrap .opc-navigation-content {
  display: none;
  position: relative;
  width: 100%;
  height: 0;
  opacity: 0;
  /*transition: opacity 300ms linear;*/
}
.opc-navigation-wrap .opc-navigation-content .opc-navigation-close {
  display: inline-block;
  position: absolute;
  cursor: pointer;
  right: 5%;
  top: 5%;
  color: #333;
  text-decoration: none;
  padding: 15px;
  border: 1px #333 solid;
  border-radius: 5px;
}
.opc-navigation-wrap .opc-navigation-bar {
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: #f7530b;
  width: 100%;
  height: 8px;
  transition: background-color 300ms linear;
}
.opc-navigation-wrap .opc-navigation-toggle {
  display: inline-block;
  position: absolute;
  bottom: -25px;
  right: 5%;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  background: #f7530b;
  padding: 5px 30px;
  border-radius: 0 0 5px 5px;
  transition: background 300ms linear;
}
.opc-navigation-wrap.show {
  height: 50%;
}
.opc-navigation-wrap.show .opc-navigation-content {
  display: block;
  opacity: 1;
  height: 100%;
}
.opc-navigation-wrap.show .opc-navigation-bar {
  background-color: #133ab4;
}
.opc-navigation-wrap.show .opc-navigation-toggle {
  background: linear-gradient(to bottom, rgb(19, 58, 180) 0%, rgb(20, 39, 117) 100%);
}