html,
body {
    height: 100%;
}

body {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

body:after {
    content: "";
    position: fixed;
    height: 100vh;
    left: 0;
    right: 0;
    top: 0;
    z-index: -1;
    background-image: url(../images/background.jpg);
    background-position: center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.fond {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid transparent;
    border-radius: 10px;
    box-shadow: 0 0 20px 10px rgb(0 0 0 / 0.4);
    text-align: center;
    display: block;
    margin: 0 auto;
}

.form-signin {
    width: 100%;
    max-width: 90%;
    padding: 15px;
    margin: auto;
}

.form-signin .form-control:focus {
    z-index: 2;
}

.input-group,
.form-control {
    border-radius: 10px;
    border: 1px solid #039c4f;
}

.input-group > .form-control:not(:last-child),
.input-group > .custom-select:not(:last-child) {
    border: 1px solid transparent !important;
}

.input-group > .form-control:not(:first-child),
.input-group > .custom-select:not(:first-child) {
    border: 1px solid transparent !important;
}

.input-group-text {
    border-radius: 9px;
}

.form-control {
    padding: 0.3rem;
}

.form-control:focus,
select:focus {
    border: 1px solid #039c4f;
    box-shadow: 0 0 10px rgba(3, 156, 79, 0.9);
}

.btn {
    border-radius: 10px;
}

a {
    color: #039c4f;
}

a:hover {
    color: #039c4f;
    text-decoration: none;
    text-shadow: 0 0 1px #036f38;
}

#install_button {
    background: transparent;
    border: none;
}

@media screen and (max-width: 768px) {

    body {
        font-size: 12px;
        margin-left: 0;
    }

    body:after {
        background-image: url(../images/background-small.jpg);
    }

    .form-signin {
        max-width: 100%;
    }
}