.main-container {
    height: 100vh;
    width: 100vw;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;

    display: flex;
    justify-content: center;
    align-items: center; /*  Block centered */

    color: #ffffffe8;
    text-align: center; /*  Text centered */

}

.custom-form {
    margin-top: 130px;
}

.custom-form p {
    font-size: 20px;
}

h1 {
    font-size: 4.5rem;
    margin: 0;
    margin-bottom: 10px;
}

h2 {
    margin: 0;
    font-size: 1.5rem;
    color:#ffffffb8
}

input {
    width: 250px;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #66b1ff;
    /*    background light gray*/
    background: #f5f5f5;
}

input:active, input:focus {
    outline: none;
}

button {
    padding: 10px 20px;
    margin: 10px;
    border: none;
    border-radius: 5px;
    background: #66b1ff;
    color: #fff;
    cursor: pointer;
}
#notificationMessage{
    padding: 10px 20px;
    margin: 10px;
    border: none;
    border-radius: 5px;
    background: #364b31;
    color: #fff;
    cursor: pointer;
    display: none;
}

.text-blue {
    color: #66b1ff;
}

.element {
    width: 33%;
}

.red-letter {
    color: red;
}

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

    /*h1 {*/
    /*    font-size: 3rem;*/
    /*}*/
    .custom-form p {
        font-size: 18px;
    }

    input {
        width: 95%;
    }

    button {
        padding: 10px 40px;
        font-size: 1.3em;
    }

}