html,
body {
  height: 100%;
}

body {
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -ms-flex-align: center;
  -ms-flex-pack: center;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background: rgba(30,29,31,1);
  background: -moz-linear-gradient(-45deg, rgba(30,29,31,1) 0%, rgba(223,64,90,1) 100%);
  background: -webkit-gradient(left top, right bottom, color-stop(0%, rgba(30,29,31,1)), color-stop(100%, rgba(223,64,90,1)));
  background: -webkit-linear-gradient(-45deg, rgba(30,29,31,1) 0%, rgba(223,64,90,1) 100%);
  background: -o-linear-gradient(-45deg, rgba(30,29,31,1) 0%, rgba(223,64,90,1) 100%);
  background: -ms-linear-gradient(-45deg, rgba(30,29,31,1) 0%, rgba(223,64,90,1) 100%);
  background: linear-gradient(135deg, rgba(30,29,31,1) 0%, rgba(223,64,90,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1e1d1f', endColorstr='#df405a', GradientType=1 );
}

.h3 {
  color: #ccc;
}
h1, h2, h3, h4, h5, h6 {
  color: #ccc;
}
.mainContent {
  width: 100%;
  max-width: 600px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .checkbox {
  font-weight: 400;
}
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

img {
  height : 140px;
}

.clignote {
    animation: clignotte 1000ms infinite;
 }
 .clignote2 {
  animation: clignotte 1100ms infinite;
}

 .flag {
height : 32px ;
 }
 
 @keyframes clignotte {
    from{
       opacity: 0;
    }
    to {
       opacity: 1;
    }
 }