html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}

.body {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    height: 100%;
    min-height: 37.5rem;
    font-family: 'ArialMT', 'Arial';
}

.header {
    padding: 1rem 1rem 2rem 1rem;
}

.header__logo {
    width: 100%;
    max-width: 442px;
}

.main {
    display: -ms-flexbox;
    display: flex;
    flex-grow: 1;
    -ms-flex: 1;
    flex: 1;
}

.main__box {
    display: -ms-flexbox;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(121, 121, 121, 1);
    background-color: rgba(248, 248, 248, 1);
    width: 80%;
    margin: 0 auto;
}

.main__announcement {
    width: 90%;
    color: #006600;
    font-family: 'Arial-BoldMT', 'Arial Bold', 'Arial';
    font-weight: 700;
    font-size: 1.5rem;
    text-align: center;
}

.footer {
    margin-top: 4rem;
    margin-bottom: 2rem;
}

.footer__link {
    text-align: center;
    font-size: 0.875rem;
}

.footer__link>a {
    margin-right: 0.75rem;
    color: #638D4D;
}

.footer__link>a:last-child {
    margin-right: 0;
}

.footer__link>a:hover{
    color: #4a7434;
}

.footer__link>a:active, .footer__link>a:focus{
    color: #23527c;
}

.footer__copyright {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.8125rem;
    color: #333333;
}

@media (max-width:767px) {
    .header{
        padding-bottom: 1rem;
    }

    .main__box{
        width: 90%;
    }

    .footer{
        margin-top: 2rem;
    }
    
}