.samplelist-form-wrapper {
    max-width: 400px;
    margin: 30px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
}
button.snt {
    width: 100%;
}
.samplelist-form-wrapper input[type="email"] {
    width: 100%;
    padding: 14px;
    border-radius: 30px;
    border: 1px solid #ccc;
    margin-bottom: 15px;
}
.samplelist-form-wrapper button {
    background: #ff8349;
    color: #fff;
    padding: 14px 28px;
    font-size: 18px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
}
#samplelist-response {
    font-size: 14px;
    color: green;
    margin-top: 10px;
}