.external-email-validation form {
    padding: 10px;
    margin: 25px auto;
    width: 400px;
    border: 1px solid black;
    border-radius: 10px;
    background-color: rgba(256, 256, 256, 0.8);
}

.external-email-validation p {
    text-align: center;
    font-size: 18px;
}

.external-email-validation input {
    margin-top: 5px;
    width: 250px;
}

.external-email-validation .btn {
    font-size:18px;
    display: flex;
    margin: auto;
    margin-top: 15px;
    justify-content: center;
    align-items: center;
    width: 250px;
    height: 40px;
    background-color: #e6e6e6;
    border: 1px solid lightgreen;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

.external-email-validation .btn:hover {
    background-color: #d7f0be;
}

.external-email-validation .errorlist li{
    list-style: none;
    color: red;
}