html, body {
    height: 100%;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
    background: #f3f3f3;

    display: -webkit-flex;     /* OLD - iOS 6-, Safari 3.1-6 */
   -webkit-flex-flow: row wrap
   -webkit-justify-content: center;
   -webkit-align-items: center;
}

.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
  margin-bottom: 10px;
}
.form-signin .checkbox {
  font-weight: normal;
}
.form-signin .form-control {
  position: relative;
  height: auto;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="text"] {
  margin-bottom: 5px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="email"] {
  margin-bottom: 5px;
  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;
}

.logo{

  text-align: center;
}

.btn-primary {
    color: #fff;
    background-color: #292929;
    border-color: #2e6da4;
}