* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-size: 35px;
}

body {
    position: absolute;
    width: 100%;
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
    background: url('/images/backgorund.jpg') no-repeat center center fixed;
    background-repeat: no-repeat;
    background-size: cover;
}

h2 {
    text-align: center;
    font-size: 60px;
    color: white;
    margin: 30px;
}

#main {
    position: absolute;
    width: 90%;
    height: 84%;
    /*border: 1px solid black;*/
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    font-size: 30px;
}

select option {
    padding: 10px;
    font-size: 16px;
    background-color: #fff;
    color: #333;
}

.redFontColor {
    color: red;
}

input[type="file"] {
    color: gray;
    font-size: 0;
}

::file-selector-button {
    font-size: 30px;
    color: #fff;
    border-radius: 5px;
    padding: 8px 12px;
    background-color: #2a80eb;
    cursor: pointer;
}

#main textarea {
    width: 70%;
    height: 200px;
}

#main form {
    margin-left: 20px;
}

#main div {
    margin: 0px 0px 20px 0px;
}

#main form label {
    vertical-align: top;
}

#main input[type="submit"] {
    font-size: 30px;
    color: #fff;
    border-radius: 5px;
    border: 1px solid #2a80eb;
    padding: 8px 12px;
    background-color: #2a80eb;
    cursor: pointer;
}

.divCenter {
    text-align: center;
}