body {
    font-family: 'Karla', sans-serif;
    background: #f1f1f1;
    font-size: 14px;
}
.loader {
    background: url(/assets/img/loader.gif) center center rgba(255,255,255,0.8) no-repeat;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    display: none;
}
h1, h2, h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    border-bottom: 1px solid #dadada;
    padding: 0 0 10px;
    margin: 0 0 10px;
}
form {
    position: relative;
    background: #fff;
    border: 1px solid #fff;
    padding: 20px;
    max-width: 500px;
    margin: 20px auto;
    border-radius: 1px;
    box-shadow: 0 6px 14px -16px #000;
}
.btn {
    font-family: 'Poppins', sans-serif;
    border-radius: 2px;
    color: #fff;
    background: #27c97a;
    text-align: center;
    width: 100%;
    font-size: 12px;
}
.btn:hover {
    color: #fff;
}
label.is-invalid {
    color: #dc3545;
    margin-top: 5px;
}
.imagePreview {
    max-width: 1000px;
    height: auto;
    margin: 50px auto;
}
.imagePreview img {
    max-width: 100%;
    height: auto;
}