style.css

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

html, body {
  height: 100%;
  margin: 0;
  background: linear-gradient( #1b1b2f 0%, #1f4068 50%, #162447 100%);
  background-size: cover;
  color: #fff;
  font-family: 'Poppins';
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.container {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

h1 {
  font-size: 2.5rem;
  color: #e84949;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 3.5rem;
}

p {
  font-size: 1.2rem;
  color: #ffffff;
  font-family:'Poppins';
}

.btn {
  background-color: #e84949;
  width: fit-content;
  color: white;
  padding: 0.8rem 2.3rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
  border: none;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.btn::before {
  content: "";
  position: absolute;
  background-color: rgba(0, 0, 0, 0.5);
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  transition: 0.5s ease;
  border-radius: 5px;
}

.btn:hover {
  color: #e84949;
  transform: scale(1.05);
}

.btn:hover::before {
  transform: scaleX(1);
}

#punch {
  align-self: center;
  color: #e84949;
  margin-top: 1.5rem;
  font-size: 1.2rem;
  font-weight: 600;
}

#joke {
  font-size: 1.5rem;
  margin-top: 2rem;
  align-self: center;
  color: #ffffff;
  font-weight: 600;
}