.add {
  background: #282828;
  padding: 50px;
  font-size: 18px;
  color: #fff;
  border: none;
  border-radius: 300px;
  display: block;
  margin: auto;
  margin-top: 50px;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-bottom: 50px;
}

.add:hover {
  background: #ffffff;
  padding: 50px;
  font-size: 18px;
  color: #000000;
  border: none;
  border-radius: 300px;
  display: block;
  margin: auto;
  margin-top: 50px;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-bottom: 50px;
}

@media (min-width: 576px) {
  #airtel {
    padding-left: 157px;
  }
}

@media (min-width: 300px) {
  #airtel {
  }
}

@media (min-width: 768px) {
  #airtel {
    padding-left: 103px;
  }
}

@media (min-width: 992px) {
  #airtel {
    padding-left: 253px;
  }
}

@media (max-width: 300px) {
  #swip {
    width: 336px;
  }
}

@media (min-width: 576px) {
  #swip {
    width: 532px;
  }
}

@media (min-width: 300px) {
  #NBS-V {
    height: 197px;
    width: 349px;
  }
}

@media (min-width: 576px) {
  #NBS-V {
    width: 529px;
    height: 300px;
  }
}

@media (min-width: 768px) {
  #NBS-V {
    width: 705px;
    height: 394px;
  }
}

@media (min-width: 992px) {
  #NBS-V {
    height: 517px;
    width: 938px;
  }
}

@media (min-width: 1200px) {
  #NBS-V {
    width: 1132px;
    height: 620px;
  }
}