.w-160px {
  width: 160px !important;
}

.h-240px {
  height: 240px !important;
}

.h-240px img {
  object-fit: contain;
  width: 100%;
  height: 100%;
}

body .main-container, body>main, body>div>main {
  display: flex;
  flex-direction: column;
  min-height: 80vh;
  transition: margin-left .3s ease-out;
}

.main-container {
  margin-top: 44px;
}

.fs-12 {
  font-size: 12px !important;
}
.text-muted {
  color: #3b4863 !important;
}
.text-muted {
  color: #6c757d !important;
}
.mb-1, .my-1 {
  margin-bottom: .25rem !important;
}

.ls-1 {
  letter-spacing: 1px !important;
}
.fw-600 {
  font-weight: 600 !important;
}
.fs-14 {
  font-size: 14px !important;
}

.bg-white-img {
  background-color: white;
  border-radius: 16px;
}

.border-course {
  border: 2px solid #e5e7e8;
  border-radius: 8px;
}

.box-course {
  height: 340px;
  margin: 5px;
  text-align: -webkit-center;
  padding-left: 0px;
  padding-right: 0px;
  cursor: pointer;
}

.course_name {
  height: 50px;
}

.p-t {
  padding-top: 15px !important;
}

.chapter {
  border-bottom: 1px solid #ebebeb;
  cursor: pointer;
}

.chapter-icon {
  float: inline-end;
}

.list-chapter {
  width: 800px !important;
}

@media screen and (max-width: 900px) {
  .list-chapter {
    width: 100% !important;
  }
}