.join-cover-content {
    position: absolute;
    left: 24%;
    right: 24%;
    top: 12.5%;
    bottom: 12.5%;
    border-radius: 52%;
    -webkit-border-radius: 52%;
    -moz-border-radius: 52%;
    background-color: #ffffff;
    font-weight: bold;
}

.join-img {
    width: 3em;
}

.joindetail {
    padding-left: 15px;
    padding-right: 15px;
}


.joindetail-title {
    width: 100%;
    text-align: center;
    font-size: 1.5em;
    font-weight: bold;
    color: #424242;
}

.joindetail-body {
    font-size: 1.25em;
    color: #424242;
    line-height: 1.6em;
}

    .joindetail-body .tag {
        font-weight: bold;
    }

@media(min-width: 1400px ) {
    .join-cover-content {
        font-size: 4.5em;
    }
}

@media(min-width: 1200px )and (max-width: 1400px ) {
    .join-cover-content {
        font-size: 4em;
    }
}

@media(min-width: 992px )and (max-width: 1200px ) {
    .join-cover-content {
        font-size: 3.6em;
    }
}

@media(min-width: 767px ) and (max-width: 992px ) {
    .join-cover-content {
        font-size: 3.3em;
    }
}

@media(max-width: 767px ) {
    .join-cover-content {
        font-size: 4em;
    }

    .joindetail-title {
        font-size: 2.2em;
    }


    .joindetail-body {
        font-size: 1.8em;
    }

    #join-close {
        font-size: 3em;
    }

    .join-img {
        width: 4em;
    }
}