:root {
    --napp-form-paddings: 2.5rem;

    --napp-color-accent-500: hsla(244, 79%, 52%, 1);
    --napp-color-accent-700: hsla(244, 72%, 40%, 1);

    --napp-color-gray-100: hsla(216, 33%, 97%, 1);
    --napp-color-gray-300: hsla(0, 0%, 0%, 0.1);
    --napp-color-gray-500: hsla(0, 0%, 61%, 1);
    --napp-color-gray-700: hsla(210, 27%, 70%, 1);
    --napp-color-gray-900: hsla(210, 13%, 20%, 1);

    --napp-font-family: 'Open Sans', sans-serif;
    --napp-color-text: #000000;\*var(--napp-color-gray-700);*/
    --napp-color-header: var(--napp-color-gray-900);
    --napp-link-color: var(--napp-color-accent-700);

    --napp-form-control-border: none;
    --napp-form-control-padding: var(--napp-p2) var(--napp-p4);
    --napp-form-control-radius: 20px;
    --napp-form-control-background: var(--napp-color-gray-100);
    --napp-shadow-color: var(--napp-color-gray-300);
}

.napp-container {
    background-size: contain;
    display: flex;
    align-items: center;
}

.napp-inner {
    display: block;
    height: auto;
}

.napp-form {
    padding: 2.5rem;
    padding: var(--napp-form-paddings);
    background: white;
    border-radius: 12px;
}

.napp-logo {
    color: hsla(210, 13%, 20%, 1);
    color: var(--napp-color-gray-900);
}

@media (min-width: 768px) {
    .napp-container {
        background: url('../img/fundo.svg') center center no-repeat,
            url('../img/fundo-01.svg') center center no-repeat;
        background-color: hsla(216, 33%, 97%, 1);
        background-color: var(--napp-color-gray-100);
    }
    .napp-form {
        box-shadow: 0 3px 6px hsla(0, 0%, 0%, 0.1);
        box-shadow: var(--napp-shadow);
    }
}

.napp-form a {
    font-size: 0.875rem;
    font-size: var(--napp-text-sm);
}

/* FORMS */

.napp-form .form-group {
    margin-bottom: 1rem;
    margin-bottom: var(--napp-p4);
    background: hsla(216, 33%, 97%, 1);
    background: var(--napp-form-control-background);
    border-radius: 20px;
    border-radius: var(--napp-form-control-radius);
    transition: box-shadow 0.3s;
    border: 1px solid hsla(216, 33%, 97%, 1);
    border: 1px solid var(--napp-form-control-background);
}

/* BUTTONS */

.napp-form .btn {
    border-radius: 20px;
    border-radius: var(--napp-form-control-radius);
    font-weight: bold;
    padding: 0.5rem 1rem;
    padding: var(--napp-p2) var(--napp-p4);
}

/* INPUT ADDONS */

.napp-form .form-group .input-group-append .input-group-text {
    padding-left: 0.5rem;
    padding-left: var(--napp-p2);
}

.napp-form .form-group .input-group-append .input-group-text:hover {
    color: var(--napp-color-blue-500);
}

.napp-form .input-group-prepend .input-group-text {
    padding-right: 0.5rem;
    padding-right: var(--napp-p2);
}

.napp-container .line {
    background: hsla(0, 0%, 61%, 1);
    background: var(--napp-color-gray-500);
    height: 1px;
    margin-top: 12px;
    text-align: center;
}
.napp-container .line span {
    background: #fff;
    padding: 8px;
    position: relative;
    top: -12px;
}