@font-face {
    font-family: 'THSarabunNew';
    src: url('fonts/thsarabunnew-webfont.eot');
    src: url('fonts/thsarabunnew-webfont.eot?#iefix') format('embedded-opentype'),
        url('fonts/thsarabunnew-webfont.woff') format('woff'),
        url('fonts/thsarabunnew-webfont.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;

}

@font-face {
    font-family: 'THSarabunNew';
    src: url('fonts/thsarabunnew_bolditalic-webfont.eot');
    src: url('fonts/thsarabunnew_bolditalic-webfont.eot?#iefix') format('embedded-opentype'),
        url('fonts/thsarabunnew_bolditalic-webfont.woff') format('woff'),
        url('fonts/thsarabunnew_bolditalic-webfont.ttf') format('truetype');
    font-weight: bold;
    font-style: italic;

}

@font-face {
    font-family: 'THSarabunNew';
    src: url('fonts/thsarabunnew_italic-webfont.eot');
    src: url('fonts/thsarabunnew_italic-webfont.eot?#iefix') format('embedded-opentype'),
        url('fonts/thsarabunnew_italic-webfont.woff') format('woff'),
        url('fonts/thsarabunnew_italic-webfont.ttf') format('truetype');
    font-weight: normal;
    font-style: italic;

}

@font-face {
    font-family: 'THSarabunNew';
    src: url('fonts/thsarabunnew_bold-webfont.eot');
    src: url('fonts/thsarabunnew_bold-webfont.eot?#iefix') format('embedded-opentype'),
        url('fonts/thsarabunnew_bold-webfont.woff') format('woff'),
        url('fonts/thsarabunnew_bold-webfont.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;

}

.primary {
    font-family: 'THsarabunNew', sans-serif;
    background-color: #ffffff;
    box-shadow: 6px 7px lightslategrey;
    border: 1px solid #f1f0f0;
    margin: 40px 100px;
    overflow: auto;
}

.form1 {
    background-color: #f2f2f2;
    height: auto;
    width: auto;
    padding: 10px;
    border-radius: 3px;
    margin: 15px;
}

.form * {
    font-family: 'THsarabunNew', sans-serif;
    font-weight: normal;
    font-style: normal;
}

.heading {
    text-align: center;
    font-size: 30px;
}

.objective {
    text-align: left;
    font-size: 25px;
}

.property {
    text-align: left;
    font-size: 25px;
}

table {
    padding-left: 20px;
    font-size: 25px;
    width: 100%;
}

ol {
    padding-left: 15px;
}

.standard {
    text-align: left;
    font-size: 25px;
}

.announcement {
    text-align: left;
    font-size: 25px;
}

.announcement a {
    text-decoration: none;
    color: rgb(51, 138, 145);
}

.button {
    background-color: rgb(51, 138, 145);
    border: none;
    color: white;
    padding: 10px;
    text-align: center;
    text-decoration: none;
    font-size: 25px;
    border-radius: 6px;
}

.bt1 {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto;
    font-family: 'THSarabunNew';
}
.button{
    margin: auto;
}

.button span {
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.3s;
}

.button span:after {
    content: '\00bb';
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.3s;
}

.button:hover span {
    padding-right: 25px;
}

.button:hover span:after {
    opacity: 1;
    right: 0;
}
.subhead{
    font-size: 26px;
    text-decoration: underline;
}
@media screen and (max-width:850px) {
    .primary {
        margin: 7px;
        margin-bottom: 10px;
    }
}