html,
body {
    height: 90%;
}

body {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #f5f5f5;

    background: url("/public/images/bg_login.jpg") no-repeat center center fixed;
    /* Background-Image by Samuel Zeller (https://unsplash.com/@samuelzeller) */
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.form-signin {
    width: 100%;
    max-width: 330px;
    padding: 15px;
    margin: auto;
    background-color: rgba(255, 255, 255, 0.65);
    -webkit-border-radius: 10px 10px 10px 10px;
    -moz-border-radius: 10px 10px 10px 10px;
    border-radius: 10px 10px 10px 10px;
    -webkit-box-shadow: 0 1px 2px rgba(0,0,0,.15);
    -moz-box-shadow: 0 1px 2px rgba(0,0,0,.15);
    box-shadow: 0 1px 2px rgba(0,0,0,.15);
}
.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="text"] {
    background-color: rgba(255, 255, 255, 0.65);
    margin-bottom: -1px;
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
    background-color: rgba(255, 255, 255, 0.65);
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}