* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}
body {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

header,
footer {
  padding: 30px;
  background-color: #d20073;
  font-weight: bold;
  font-size: 25px;
  color: white;
  text-shadow: 1px 1px 5px black;
}

header h1 {
  animation: titre 1s ease-in-out forwards;
}
@keyframes titre {
  from {
    transform: translateY(-200%);
  }
}
header h2 {
  transform: translateX(-20%);
  animation: soustitre 1.5s ease-in-out forwards;
}
@keyframes soustitre {
  to {
    transform: translateX(0%);
  }
}

footer {
  text-align: center;
}
footer p {
  text-align: center;
  font-size: 12px;
  margin-top: 15px;
  font-weight: 100;
  color: #c4c4c4;
}

.content {
  position: relative;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
  font-size: 25px;
  background: linear-gradient(
    22deg,
    rgb(175, 175, 175) 0%,
    rgba(255, 255, 255, 1) 100%
  );
}

iframe {
  border-radius: 10px;
  box-shadow: 2px 2px 20px #33333395;
}

a {
  width: 800px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  box-shadow: 2px 2px 20px #33333395;
  text-decoration: none;
  color: white;
  background-color: #009de0;
  font-size: 25px;
  transition: all 0.5s;
}
a:hover {
  background-color: #003883;
  font-size: 29px;
  padding: 18px;
}

.buy {
  position: absolute;
  right: 10px;
  bottom: 20px;
  font-size: 14px;
  border: 3px solid black;
  text-align: center;
  padding: 10px;
  border-radius: 10px;
  color: yellow;
  background-color: #333;
  box-shadow: 0 0 10px black;
  cursor: pointer;
}
.buy:hover{

  background-color: #666;
}