.EsaDownloadMobile .tr {
    height: 100%;
    vertical-align: middle;
}

.EsaDownloadMobile .button-area{
    text-align: center;
}

.EsaDownloadMobile ::placeholder {
    text-align: center;
}

.EsaDownloadMobile .main-div{
    text-align: center;
    margin-top: 20px;
    padding: 0;
    width: 80%;
}

.EsaDownloadMobile .loading{
    background-color: gray;
    opacity: 0.6;
    font-size: 32px;
    z-index: 999;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    position: absolute;
}

@media (min-width: 640px) and (max-width: 1440px){
    .EsaDownloadMobile .title{
        text-align: center;
        font-size: 100px;
        font-weight: bold;
        color: #444444;
    }

    .EsaDownloadMobile .submit-button{
        width: 215px;
        height: 110px;
        font-size: 60px;
        margin-top: 20px;
        border-radius: 10px;
    }

    .EsaDownloadMobile .main-row-div{
        border: 1px solid rgb(191, 191, 191);
        border-radius: 10px;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .EsaDownloadMobile .download-warning {
        font-size: 40px;
        color: red;
        margin-top: 10px;
        margin-bottom: 0px;
        margin-right: 10px; 
    }

    .EsaDownloadMobile .input {
        margin-top: 30px;
        margin-right: 30px;
        font-size: 40px;
        border: 1px solid;
    }

    .EsaDownloadMobile .wording {
        font-size: 50px;
    }
}

@media (max-width: 640px) {

    .EsaDownloadMobile .title{
        text-align: center;
        font-size: 50px;
        font-weight: bold;
        color: #444444;
    }

    .EsaDownloadMobile .submit-button{
        width: 105px;
        height: 45px;
        font-size: 20px;
        margin-top: 10px;
        border-radius: 5px;
    }
    
    .EsaDownloadMobile .main-row-div{
        border: 1px solid rgb(191, 191, 191);
        border-radius: 10px;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .EsaDownloadMobile .download-warning {
        font-size: 20px;
        color: red;
        margin-top: 10px;
        margin-bottom: 0px;
        margin-right: 10px; 
    }

    .EsaDownloadMobile .input {
        margin-top: 20px;
        margin-right: 20px;
        font-size: 20px;
        border: 1px solid;
    }

    .EsaDownloadMobile .wording {
        font-size: 20px;
    }
}

/*
因為 bootstrap RWD 在中間階段會將 max-width 縮至 720px，畫面看起來會有點怪
所以將中間階段的 max-width 改為 900px 
*/
@media (min-width: 768px) and (max-width: 1200px) {
    .EsaDownloadMobile .main-div{
        max-width: 900px;
    }
}