* {
  margin: 0px;
  padding: 0px;
}

body {
  font-size: 1.22em;  
  background-color: #1D4851;
  font-family: century gothic, arial;
}

.header {
  width: 30%;
  margin: 50px auto 0px;
  color: white;
  background-color:#696969;
  text-align: center;
  border: 1px solid #B0C4DE;
  border-bottom: none;
  border-radius: 10px 10px 0px 0px;
  padding: 20px;
}

img {
height:50px;
}

form, .content {
  width: 30%;
  margin: 0px auto;
  padding: 20px;
  border: 1px solid #B0C4DE;
  background: white;
  border-radius: 0px 0px 10px 10px;
}

.input-group {
  margin: 10px 0px 10px 0px;
}

.input-group label {
  display: block;
  text-align: left;
  margin: 3px;
}

.input-group input {
  height: 30px;
  width: 93%;
  padding: 5px 10px;
  font-size: 16px;
  border-radius: 5px;
  border: 1px solid gray;
}

.btn {
  padding: 10px;
  font-size: 15px;
  color: white;
  background: #696969;
  border: 1px solid #696969;
  border-radius: 10px;
}

.btn:hover {
  padding: 9px;
  color: red;
  background: white;
  border: solid 1px red;
  border-radius: 10px;
}

.Register {
color:red;
text-decoration:none;
}

.Register:hover {
color:grey;
}

.login {
color:red;
}

.login:hover {
color:blue;
}

.error {
  width: 92%; 
  margin: 0px auto; 
  padding: 10px; 
  border: 1px solid #a94442; 
  color: #a94442; 
  background: #f2dede; 
  border-radius: 5px; 
  text-align: left;
}

.success {
  color: #3c763d; 
  background: #dff0d8; 
  border: 1px solid #3c763d;
  margin-bottom: 20px;
}

.Clignotement {
   animation-duration: 1.5s;
   animation-name: clignoter;
   animation-iteration-count: infinite;
   transition: none;
}

@keyframes clignoter {
  0%   { opacity:1; }
  50%   {opacity:0; }
  100% { opacity:1; }