body {    
  background: rgb(2,0,36);
}

a {
  color: cyan;
  text-decoration: none;
}
.entete {
  text-align: center;
  font-size:2rem;
  line-height: 5rem;
  color: blue;
}

.corps {
  background: radial-gradient(circle, rgba(2,0,36,1) 0%, rgba(5,5,48,1) 90%, rgba(0,212,255,1) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
}


.boite {
  background: radial-gradient(circle, rgba(2,0,36,1) 0%, rgba(5,5,48,1) 70%, rgba(0,212,255,1) 100%);
  text-align: center;
  font-size: 1.5rem;
  line-height: 2.5rem;
  color: brown;
  
}

.pied {
  margin-top: 3rem;
  margin-left: 6% ;
  margin-right: 6%;
  color: brown;
  text-align: center;
}

img {
  max-width: 100%;
}