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;
    background-image: url("../images/peta.jpg");
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.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;
}

.card {
    border-radius: 8px;
    box-shadow: 1px 2px 8px rgba(0, 0, 0, 0.65);
    margin: 6rem auto 8.1rem auto;
    width: 329px;
    background: linear-gradient(#000046, #1cb5e0);
    color: white;
    margin: 4rem;
}

.form-control-feedback {
    position: absolute;
    top: 1rem;
    right: 1.75rem;
    z-index: 2;
    display: block;
    text-align: center;
    color: #212529 !important;
}