body {
  margin: 0;
  padding: 0;
}

#grandparent {
  background-image: url("tabs-bg.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-direction: column;
  margin: 0px;
}

#parent {
  padding: 75px;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 50px;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
  box-shadow: 3px 3px 20px -10px black;
  width: auto;
  height: auto;
  margin: 0px;
}

.selection,
#selection {
  color: white;
  font-size: 5vh;
  text-align: center;
  font-weight: bold;
  text-transform: capitalize;
  margin: 0px;
}

#action {
  background: rgb(120, 255, 143);
  background: linear-gradient(
    180deg,
    rgb(0, 166, 255) 0%,
    rgb(0, 109, 160) 100%
  );
  width: 200px;
  height: 50px;
  border-radius: 50px;
  border: 1px solid rgb(0, 166, 255);
  color: white;
  font-size: 2vh;
  font-weight: bold;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
  margin: 50px 0px;
}

#action:hover {
  background: linear-gradient(
    180deg,
    rgb(50, 183, 255) 0%,
    rgb(11, 131, 187) 100%
  );
}