Klaviyo newsletter & pop-up fix

klaviyo-newsletter.css

/*
* Prefixed by https://autoprefixer.github.io
* PostCSS: v7.0.29,
* Autoprefixer: v9.7.6
* Browsers: last 6 version
*/

.klaviyo-newsletter {
    max-width: 205px;
}

@media all and (max-width: 749px) {
    .klaviyo-newsletter {
        margin: 0 auto;
    }   
}

.klaviyo-newsletter div[class*="StyledFormComponentWrapper"],
.klaviyo-newsletter form {
    padding-top: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

.klaviyo-newsletter input[type="email"] {
    display: inline-block !important;
    width: auto !important;
    height: 28px !important;
    background: #ffffff !important;
    border-radius: 2px !important;
    margin-right: 5px !important;
    padding-left: 10px !important;
    border: 1px solid #ebebeb !important;
    font-family: 'Karla', Helvetica, Arial, sans-serif !important;
    font-size: 12px !important;
    color: #000000 !important;
    line-height: 26px !important;
    letter-spacing: 0.8px !important;
}

.klaviyo-newsletter input[type="email"]::-webkit-input-placeholder {
    font-family: 'Karla', Helvetica, Arial, sans-serif !important;
    font-size: 12px !important;
    color: #000000 !important;
    line-height: 26px !important;
    letter-spacing: 0.8px !important;
    opacity: 0.75 !important;
}

.klaviyo-newsletter input[type="email"]::-moz-placeholder {
    font-family: 'Karla', Helvetica, Arial, sans-serif !important;
    font-size: 12px !important;
    color: #000000 !important;
    line-height: 26px !important;
    letter-spacing: 0.8px !important;
    opacity: 0.75 !important;
}

.klaviyo-newsletter input[type="email"]:-ms-input-placeholder {
    font-family: 'Karla', Helvetica, Arial, sans-serif !important;
    font-size: 12px !important;
    color: #000000 !important;
    line-height: 26px !important;
    letter-spacing: 0.8px !important;
    opacity: 0.75 !important;
}

.klaviyo-newsletter input[type="email"]::-ms-input-placeholder {
    font-family: 'Karla', Helvetica, Arial, sans-serif !important;
    font-size: 12px !important;
    color: #000000 !important;
    line-height: 26px !important;
    letter-spacing: 0.8px !important;
    opacity: 0.75 !important;
}

.klaviyo-newsletter input[type="email"]::placeholder {
    font-family: 'Karla', Helvetica, Arial, sans-serif !important;
    font-size: 12px !important;
    color: #000000 !important;
    line-height: 26px !important;
    letter-spacing: 0.8px !important;
    opacity: 0.75 !important;
}

.klaviyo-newsletter input[type="email"]:focus {
    outline: -webkit-focus-ring-color auto 1px !important;
}

.klaviyo-newsletter button[class*="Button__FormStyledButton"] {
    display: inline-block !important;
    width: auto !important;
    padding: 0 15px !important;
    height: 28px !important;
    line-height: 26px !important;
    -webkit-appearance: button !important;
    cursor: pointer !important;
    background: #444444 !important;
    border-color: #ebebeb !important;
    border-radius: 2px !important;
    border: 0 !important;
    -webkit-box-shadow: none !important;
            box-shadow: none !important;
    color: #ffffff !important;
    font-family: 'Lato', Helvetica, Arial, sans-serif !important;
    font-size: 12px !important;
    font-weight: bold !important;
    letter-spacing: 1px !important;
    margin: 0 !important;
    text-transform: uppercase !important;
    max-width: 100% !important;
}

.klaviyo-newsletter .ql-editor * {
    font-style: italic !important;
    text-align: left !important;
    color: #333333 !important;
    font-family: 'Karla', Helvetica, Arial, sans-serif !important;
    color: #000000 !important;
    line-height: 1.6 !important;
    font-size: 12px !important;
    letter-spacing: 1px !important;
}

#klaviyo-bis-iframe .btn {
    background: #444444;
    border-color: #ebebeb;
    border-radius: 2px;
    border: 0;
    -webkit-box-shadow: none;
    box-shadow: none;
    color: #ffffff;
    display: inline-block;
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 1em;
    font-weight: normal;
    height: 45px;
    letter-spacing: 1px;
    line-height: 45px;
    margin: 0;
    padding: 0 25px;
    text-transform: uppercase;
    -webkit-transition: background-color 300ms ease-out;
    -o-transition: background-color 300ms ease-out;
    transition: background-color 300ms ease-out;
    width: auto;
}

#klaviyo-bis-modal button[type="submit"],
#completed_message,
#email {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
}

#klaviyo-bis-modal button[type="submit"] {
    text-transform: uppercase;
    font-weight: normal;
}

body.klaviyo-bis-close {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

body.klaviyo-bis-close #container {
    margin-top: 0 !important;
}