* {
  padding: 0px;
  margin: 0px;
  box-sizing: border-box;
}

body {
  padding: 5px;
  margin: 5px;
  border: 3px solid black;
  border-radius: 15px;
  max-height: 100%;
}

header {
  padding: 5px;
  margin: 5px;
  margin-bottom: 0px;
  border-radius: 15px;
  height: 40%;
  background-color: black;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

section {
  height: 60%;
  padding: 5px;
  margin: 5px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 3px solid black;
  border-radius: 15px;
}

.main {
  padding: 15px;
  margin: 5px;
  border: 3px solid black;
  border-radius: 15px;
  background-color: black;
}

.game {
  height: 150px;
  width: 150px;
  display: flex;
  flex-wrap: wrap;
  gap: 5%;
}

.box {
  min-height: 30%;
  min-width: 30%;
  border-radius: 10px;
  font-size: 200%;
  cursor: pointer;
}

.box:disabled {
  color: black;
  background-color: white;
}

.reset {
  height: 10%;
  width: 25%;
  margin: 10px;
  padding: 10px;
  border-radius: 10px;
  font-weight: 700;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.reset:hover {
  background-color: black;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.reset {
  height: 35px;
  width: 175px;
  font-weight: 700;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.reset:hover {
  background-color: black;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.winsec {
  height: 20%;
  width: 175px;
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.new {
  height: 35px;
  width: 100%;
  border-radius: 10px;
  font-weight: 700;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.new:hover {
  background-color: black;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.hide {
  visibility: hidden;
}

.hbt {
  width: 100px;
  height: 25px;
  border-radius: 20px;
}

.hbt:hover {
  border: 3px solid white;
  background-color: black;
  color: white;
}

footer {
  height: 7rem;
  margin: 5px;
  margin-bottom: 0px;
  border-radius: 15px;
  background-color: black;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 3px;
}