body {
  background: black;
  font-family: Arial;
  color: black;
  height: 100%;
  text-align: center;
  font-size: 100px;
}
* {
  box-sizing: border-box;
}
#hl {
  color: white;
}
#p {
  color: white;
}
#p2 {
  color: white;
}
#p3 {
  color: white;
}
#bstd {
  color: white;
  border-color: white;
  background-color: black;
  font-size: 100px;
  border-radius: 50px;
}
#bdts {
  color: white;
  border-color: white;
  background-color: black;
  font-size: 100px;
  border-radius: 50px;
}
#std {
  color: white;
  border-color: white;
  background-color: black;
  font-size: 100px;
  border-radius: 50px;
}
#dts {
  color: white;
  border-color: white;
  background-color: black;
  font-size: 100px;
  border-radius: 50px;
}
#refresh {
  color: white;
  border-color: white;
  background-color: black;
  font-size: 100px;
  border-radius: 50px;
}