* {
    margin: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 20px;
}

.wrapper {
    background-color: #fff;
    padding: 20px;
    border: 5px solid #333;
    border-radius: 10px;
    width: 50%;
    margin: 20px auto;
}

form {
    margin: 20px;
}

form input[type="text"] {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    box-sizing: border-box;
     -webkit-box-sizing:border-box;
     -moz-box-sizing: border-box;
}

form input[type="submit"] {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}

form input[type="submit"]:hover {
    background-color: #444;
}

form input[type="submit"]:active {
    background-color: #555;
}

form input::file-selector-button {
    border: 5px solid #333;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
    display: inline-block;
    background-color: #fff;
}

.close {
    width: 100%;
    color: blue;
    background: none;
    border: none;
    text-decoration: underline;
    padding-top: 20px;
}