@import url("https://fonts.googleapis.com/css2?family=Staatliches&display=swap");

body {
  height: 100%;
  margin-left: 20px;
  background-repeat: no-repeat;
  background-attachment: fixed;
  font-family: "Staatliches", cursive;
  margin-left: 15px;
  background-image: url("back.png");
  color: black;
  overflow: hidden;
  transition: background-color 500ms;
}

div {
  display: inline-block;
}

button {
  display: inline-block;
}

#buts {
  display: none;
  margin-left: 25px;
}

#cong,
#congs {
  display: none;
}

.congratulations {
  background-color: rgb(20, 187, 20);
  font-size: 20px;
}

.custom-btn {
  padding: 5px;
  font-family: "Staatliches", cursive;
  font-size: 25px;
  background: transparent;
  outline: none !important;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
  height: 40px;
  width: auto;
}

.btn {
  border: 2px solid #000;
  z-index: 1;
}
.btn:after {
  position: absolute;
  content: "";
  width: 0;
  height: 100%;
  top: 0;
  right: 0;
  z-index: -1;
  background: #000;
  transition: all 0.3s ease;
}
.btn:hover {
  color: #fff;
}
.btn:hover:after {
  left: 0;
  width: 100%;
}
.btn:active {
  top: 2px;
}

.mid {
  font-family: "Staatliches", cursive;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
}

h1 {
  font-size: 60px;
}