.stub-register-form {
    background-color: #c9e2f4;
    border: 5px solid #1d6395;
    padding: 25px;
    margin-bottom: 40px;
}

.stub-register-form p {
    margin-bottom: 20px;
}

.stub-register-form button[type="submit"] {
    cursor: pointer;
    border: 0;
    border-radius: 47px;
    font-size: 16px;
    background-color: #018dc8;
    padding: 10px 30px;
    color: #fff;
    max-width: 200px;
    width: 100%;
    margin: 0 auto;
    display: block;
}

.stub-register-form :is(input[type="text"], input[type="email"]) {
    width: 100%;
    padding: 10px;
    border: 0;
}

.stub-register-form label {
    font-size: 15px;
    color: #3d3d3d;
    font-family: 'Barlow', Helvetica, Arial, Lucida, sans-serif;
    margin-bottom: 3px;
    display: inline-block;
}

#stub-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99999;
}

#stub-popup .box {
    background: #fff;
    width: 90%;
    max-width: 400px;
    padding: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    border-radius: 8px;
}

#stub-popup button {
    margin-top: 15px;
    padding: 10px 20px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}