.navbtn {
  color: gray;
  font-size: 18px;
  width: 80px;
  height: 60px;
  border: none;
  background-color: transparent;
  border-radius: 10px;
  transition: .1s
}

.navbtn_select>button {
  border-radius: 10px 10px 0 0;
  border-bottom: 3px solid #257fec;
  color: #257fec
}

.nv_name {
  background-color: #1a1a1a;

  color: #fff;
  left: 50%;
  top: 100%;
  font-size: large;
  padding: 1rem 2rem;
  border-radius: 10px;
  transform: translate(-50%, 0);
  box-shadow: 0 0 11px 2px rgba(0, 0, 0, .09);
  display: none;
  opacity: 0;
  transition: 1s;
}

.nav_item:hover .nv_name {
  display: block;
  opacity: .95;
}

#bar, .sidemenu {
  background-color: #fff
}

.sidemenu {
  width: 250px;
  color: #000 !important
}

.inner_btn {
  color: rgb(62, 62, 62) !important
}

.inner_btn:hover {
  background-color: #efefef !important;
  color: #0084bd !important
}


.navbtn:hover {
  background-color: #dfdfdf
}

.tab-bar {
  overflow-x: auto;
  overflow-y: hidden;
  background-color: white;
  white-space: nowrap;
  position: relative;
  -ms-overflow-style: none;
  scrollbar-width: none;
  
}

.tab-bar::-webkit-scrollbar {
  display: none;
}

.tab {
  display: inline-block;
  color: rgb(84, 84, 84);
  text-align: center;
  padding: 14px 28px;
  text-decoration: none;
  background-color: white;
  border: none;
  min-width: 135px;
  transition: background-color 0.3s;
}

.tab2 {
  display: inline-block;
  margin: 10px 5px 10px 5px;
  color: rgb(84, 84, 84);
  text-align: center;
  padding: 7px 12px;
  text-decoration: none;
  border-radius: 18px;
  background-color: rgb(235, 235, 235);
  border: 1px solid gray;
  transition: 0.3s;
}

.tabslected {
  color: #0d6efd;
  background-color: white !important;
  border-bottom: 2px solid #0d6efd;
}

.tabslected2 {
  color: #0d6efd;
  border: 1px solid #0d6efd;
}