* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a{
    text-decoration: none;
    color: inherit;
}

body {
    font-family: arial;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.facebook_logo {
    height: 100px;
    margin: 5px 0px;
}

.signup_card {
    max-width: 430px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .1), 0 8px 16px rgba(0, 0, 0, .1);
    margin: 0px 20px 50px 20px;
}

.card_headings {
    border-bottom: 1px solid #dadde1;
    padding: 10px 16px;
    text-align: center;
}

.card_title {
    font-size: 25px;
    font-weight: bold;
    margin-bottom: 5px;
    color: #1c1e21;
}

.card_subtitle {
    font-size: 15px;
    color: #606770;
}

.signup_form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 15px;
}

.name_fields {
    display: flex;
    gap: 10px;
}

.input_field {
    width: 100%;
    padding: 11px;
    border: 1px solid #dadde1;
    border-radius: 6px;
    font-size: 15px;
    outline: none;
}

.input_field:focus {
    border-color: #1877f2;
}

.form_group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form_group span {
    width: 13px;
    height: 13px;
    font-size: 9px;
    background-color: #757c85;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.label_with_info {
    font-size: 13px;
    color: #606770;
    display: flex;
    align-items: center;
    gap: 4px;
}

.info_icon {
    font-size: 12px;
    color: #606770;
    cursor: pointer;
}

.date_selects {
    display: flex;
    gap: 10px;
}

.date_selects select {
    width: 100%;
    padding: 10px 8px;
    border: 1px solid #dadde1;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    outline: none;
}

.date_selects select:focus {
    border-color: #1877f2;
}

.gender_radios {
    display: flex;
    gap: 10px;
}

.radio_label {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border: 1px solid #dadde1;
    border-radius: 6px;
    font-size: 15px;
    color: #1c1e21;
    cursor: pointer;
}

.terms_texts {
    margin: 5px 0px;
}

.terms_texts p {
    font-size: 11px;
    color: #777;
    line-height: 1.3;
    margin: 7px;
}

.terms_texts a {
    color: #1877f2;
    text-decoration: none;
}

.terms_texts a:hover {
    text-decoration: underline;
}

.signup_button_container {
    text-align: center;
}

.signup_button {
    width: 190px;
    height: 36px;
    background-color: #00a400;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.signup_button:hover {
    color: #ececec;
}

.login_link {
    text-align: center;
}

.login_link a {
    color: #1877f2;
    text-decoration: none;
    font-size: 17px;
    cursor: pointer;
}

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

    .signup_card {
        padding: 20px 0px;
    }

    .name_fields {
        flex-direction: column;
        gap: 8px;
    }

    .date_selects {
        flex-direction: column;
        gap: 8px;
    }

    .gender_radios {
        flex-direction: column;
        gap: 8px;
    }

    .signup_button {
        width: 100%;
    }

    .login_link a {
        font-size: 15px;
    }
}

@media screen and (max-width: 480px) {

    .facebook_logo {
        height: 70px;
    }

    .card_title {
        font-size: 22px;
    }

    .card_subtitle {
        font-size: 13px;
    }

    .input_field,
    .date_selects select {
        font-size: 14px;
        padding: 9px;
    }

    .radio_label {
        font-size: 14px;
    }

    .terms_texts p {
        font-size: 10px;
    }

    .signup_button {
        font-size: 16px;
    }
}