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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f5f7;
    color: #333;
}

.container {
    max-width: 700px;
    margin: 40px auto;
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
    
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #22aa44;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.required {
    color: #e53935;
}

.kuper {
    text-align: center;

}

input,
select {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    font-size: 15px;
    border: 1px solid #d8d8d8;
    border-radius: 8px;
    outline: none;
    transition: .2s;
}

input:focus,
select:focus {
    border-color: #22aa44;
}

button {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 8px;
    background: #22aa44;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: .2s;
}

button:hover {
    background: #198a37;
}

button:disabled {
    opacity: .6;
    cursor: wait;
}

#car-group {
    display: none;
}

.select2-container {
    width: 100% !important;
}

.select2-container--default .select2-selection--single {
    height: 46px;
    border-radius: 8px;
    border: 1px solid #d8d8d8;
}

.select2-selection__rendered {
    line-height: 46px !important;
}

.select2-selection__arrow {
    height: 46px !important;
}

@media (max-width: 768px) {

    body {
        padding: 15px;
    }

    .container {
        margin: 0;
        padding: 20px;
    }

    h1 {
        font-size: 24px;
    }

}