body{
  background-image: url(https://www.xmple.com/wallpaper/red-purple-gradient-linear-1920x1080-c2-b22222-6a5acd-a-15-f-14.svg) 
}
.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}
#welcome {
  border: 1px solid ;
  background-color: pink;
  border-radius: 25px;
  background-position: left top;
  display: block;
  margin-left: auto;
  margin-right: auto;
  padding: 20px; 
  width: 399px;
  height: 200px;
  padding: 8px;
}

.center {
  text-align: center;
  text-transform: uppercase;
  color: #4CAF50;
}

p {
  letter-spacing: 3px;
   font-family: 'Great Vibes', cursive;
}