body {
  background-color: #c0c0c0;
}
h1 {
  color: #F36F21;
  font-family: verdana;
  font-size: 150%;
}
h2 {
  color: #F36F21;
  font-family: verdana;
  font-size: 120%;
}
p  {
  color: black;
  font-family: verdana;
  font-size: 100%;
}
a {
  color: white;
  text-decoration: none;
}

#p01 {
  color: gray;
  font-size: 80%;
}
.button {
  background-color: #F36F21;
  border: none;
  border-radius: 6px;
  color: white;
  padding: 16px 32px;
  text-align: center;
  font-size: 16px;
  margin: 4px 2px;
  opacity: 0.6;
  transition: 0.3s;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
}
.button:hover {opacity: 1}

.container {
  margin: 64px auto;
  width: 80%;
  height: 100%;
  background-color: whitesmoke;
  text-align: center;
  border: 1px solid;
  border-radius: 6px;
  box-shadow: 0 1px 6px, 0 1px 12px white;
}

.centered {
  width: 50px;
  height: 50px;
  background-color: white;
  border: 2px solid;
}

/*--using transform--*/

#transform {
  position: relative;
}

#transform .centered {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
}