.h-30px {
  height: 30px;
}

.h-250px {
  height: 250px;
}

.h-300px {
  height: 300px;
}

.h-700px {
  height: 700px;
}

.w-30px {
  width: 30px;
}

.w-200px {
  width: 200px;
}

.w-300px {
  width: 300px;
}

.w-400px {
  width: 400px;
}

.trans-2s {
  transition: all 0.2s ease-in-out;
}

aside .nav .nav-link.active {
  border-bottom: 2px solid #0091dc;
}

.mh-200vh {
  min-height: 200vh;
}

.top-50px {
  top: 50px;
}

main .cover:hover .ctrl {
  display: flex !important;
}
main .ctrl {
  display: none !important;
}

.pc-1 {
  padding-top: 50px;
  padding-bottom: 50px;
  padding-left: 15%;
  padding-right: 15%;
}

.btn-5px {
  bottom: 5px;
}/*# sourceMappingURL=03-pageContent.css.map */