.btn
{
    outline:0;
    border:none;
    border-top:none;
    border-bottom:none;
    border-left:none;
    border-right:none;
    box-shadow:inset 2px -3px rgba(0,0,0,0.15);
}
.btn:focus
{
    outline:0;
    -webkit-outline:0;
    -moz-outline:0;
}
.fullscreen_bg {
    position: fixed;
    top: 0px;
    right: 0;
    bottom: 0;
    left: 0;
    background-size: cover;
    background-position: 50% 50%;
    background-image: url('../i/sigmasfeer.jpg');
    background-repeat:repeat;
}
.form-signin {
    max-width: 280px;
    padding: 15px;
    margin: 0 auto;
    margin-top:0;
}
.form-signin .form-signin-heading, .form-signin {
    margin-bottom: 10px;
}
.form-signin .form-control {
    position: relative;
    font-size: 16px;
    height: auto;
    padding: 10px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.form-signin .form-control:focus {
    z-index: 2;
}
.form-signin input[type="text"] {
    margin-bottom: -1px;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-top-style: solid;
    border-right-style: solid;
    border-bottom-style: none;
    border-left-style: solid;
}
.form-signin input[type="password"] {
    margin-bottom: 10px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-top-style: none;
    border-right-style: solid;
    border-bottom-style: solid;
    border-left-style: solid;
    border-top:1px solid rgba(0,0,0,0.08);
}
.form-signin-heading {
    color: #fff;
    text-align: center;
    text-shadow: 0 2px 2px rgba(0,0,0,0.5);
}
.form-box {
    position: absolute;
    float:left;
    padding:6px 18px 18px 18px;
    background-color:#909AAE;
    border:solid 4px #0077AD;
    border-left:none;
    border-right:none;
    border-radius:8px;
    box-shadow: 0 0 12px #444;
    opacity: 0.65;
    width:280px;
    margin-left:-16px;
    height:224px;
    z-index:-10;
}
.login-footer {
    background-color: #ffffff;
    position:fixed;
    bottom:0;
    left:0;
    right:0;
    border-top:solid 1px #DDDDDD;
}

@media (min-height: 675px) {
    .form-signin {
        margin-top:15%;
    }
}