#nav-bar {
  display: flex;
  justify-content: center;
  flex-direction: column;
}

#nav-center {
  display: flex;
  justify-content: center;
}

#nav-cen {
  display: flex;
  justify-content: center;
}

#main-container {
  display: flex;
  justify-content: center;
}

#heading-div {
  display: flex;
  justify-content: center;
}

@media (min-width: 1200px) {
  .btns-div {
    display: flex;
    justify-content: space-around;
  }
}

.btns-div {
  display: flex;
  justify-content: space-around;
}

#f1 {
  display: flex;
  justify-content: center;
}

#f1-in {
  display: flex;
  justify-content: space-around;
}

.mashori {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#f2 {
  display: flex;
  justify-content: center;
}

#f2-in {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#f3 {
  display: flex;
  justify-content: center;
}