.container {
     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-color: #f5f5f5;
 }

 .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;
 }