.kc-form-container {
    box-sizing: border-box;
    width: 100%;
    max-width: 680px;
    margin: 28px auto;
    background: #f8fbe7;
    border-left: 8px solid #b6d333;
    border-radius: 14px;
    box-shadow: 0 5px 22px #8eae291a;
    padding: 28px 22px;
    font-family: 'Segoe UI', Arial, sans-serif;
}

.kc-form-container h2 {
    color: #3b5323;
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 2em;
    margin-top: 0;
    margin-bottom: 0.5em;
    letter-spacing: -1px;
}

.kc-form-row {
    margin-bottom: 22px;
}

.kc-form-row label {
    display: block;
    font-weight: 700;
    color: #1c3866;
    margin-bottom: 7px;
    font-size: 1.07em;
}

.kc-form-row select,
.kc-form-row input[type="text"],
.kc-form-row input[type="email"],
.kc-form-row input[type="number"] {
    box-sizing: border-box;
    width: 100%;
    padding: 10px;
    border: 1.7px solid #d6e39f;
    border-radius: 5px;
    background: #fcffe9;
    font-size: 1.09em;
    margin-top: 3px;
    transition: border .2s;
}

.kc-form-row input[type="text"]:focus,
.kc-form-row select:focus {
    outline: none;
    border-color: #b6d333;
    background: #fffde8;
}

.kc-form-row input[type="submit"] {
    background: #2f5393;
    color: #fff;
    padding: 13px 28px;
    font-weight: bold;
    font-size: 1.13em;
    border: 0;
    border-radius: 7px;
    cursor: pointer;
    margin-top: 6px;
    box-shadow: 0 2px 8px #1c38661a;
    transition: background .2s;
}
.kc-form-row input[type="submit"]:hover {
    background: #1c3866;
}

.kc-required {
    color: #e42626;
    font-weight: bold;
}
.kc-success-msg {
    color: #288830;
    background: #f2fbe2;
    border-left: 4px solid #b6d333;
    padding: 15px 15px 15px 22px;
    margin-bottom: 25px;
    font-size: 1.1em;
    border-radius: 7px;
}
.kc-error-msg {
    color: #a80000;
    background: #ffeaea;
    border-left: 4px solid #e12b2b;
    padding: 15px 15px 15px 22px;
    margin-bottom: 25px;
    font-size: 1.1em;
    border-radius: 7px;
}
@media (max-width: 900px) {
    .kc-form-container {padding:20px 14px;}
}

@media (max-width: 520px) {
    .kc-form-container {padding:14px 10px;border-radius:10px;margin:14px 10px;}
    .kc-form-container h2 {font-size:1.4em}
    .kc-form-row {margin-bottom:14px}
}
[Diese Datei ist leer.]