#twitter-follow-button{ 
margin: auto;
}

.result__tweet {
    margin-top: 1.5em;
    text-align: center;
}
.result__link {
    font-size: .8125em;
    line-height: 1.8461538462em;
    background: #0099e4;
    border-radius: 5px;
    color: #fff;
    display: inline-block;
    font-weight: bold;
    padding: 2px 10px 3px;
    text-decoration: none;
}

body{
	  background-image : url("fond_cryptapp.gif");
}
#logo{
  margin: auto;
}
.titl{ 
  margin:auto;
  color: red ;
    font-family: impact, " arial black", serif ;
  font-size: xx-large ;  
  font-weight: bold;
}
.titl span {
  color: lime;
}
.carre {
  width: 80%;
  height: 10em; 
  border: 3px solid white;
  font-family: " monospace", monospace ;
  font-weight: bold;
  font-size: medium; 
  text-align: center;
  color: black ;
  border-radius:10px;
  background-color:  #FF0000  ; 
  animation: col 12s infinite; 
}
@keyframes col {
    50% {background-color: #7CFC00 ;}
}
#carre1{
  margin-top: 1em;
}
.btn { 
  background-color:black;
  margin-top: 1em ;
  height: 3em; 
  color: red;
    font-family: impact, " arial black ", serif;
  border-radius:10px;
  cursor: pointer;
}
.btn:hover {
  color: lime; 
  box-shadow: 3px 0 6px ;
  transform: scale(1.25);
}
#bt3 { 
  color: white;
  background-color: #696969; 
}