.modal_bg{
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    width: 100%;
    height: 100vh;
    background-color: rgba(0,0,0,0.3);
}
.modal_writing{
    width: 420px;
    margin: 0 auto;
    margin-top: 20vh;
    background-color: #fff;
    border-radius: 15px;
    padding-bottom: 28px;
}
.close_m{
    width: 94%;
    color: #6c2209;
    font-size: 22px;
    font-weight: bold;
    padding: 12px 3% 0 3%;
    text-align: right;
}
.mtext{
    width: 92%;
    margin: 0 auto;
    color: #666;
    margin-top: 10px;
    text-align: center;
    line-height: 36px;
    font-size: 16px;
    font-weight: bold;
}

.et_box {
    width: calc(62% - 30px);
    margin: 0 auto;
    padding: 12px 15px;
    text-align: center;
    background-color: #f3f3fd;
    border-radius: 10px;
}

.et_box h3 {
    font-size: 18px;
    color: indianred;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.end_time {
    display: flex;
    width: 100%;
    text-align: center;
    margin: 0 auto;
    justify-content: space-between;
}

.end_day, .end_hour, .end_min, .end_second {
    width: 40px;
    padding: 7px 0;
    letter-spacing: 0;
    font-size: 20px;
    font-weight: bold;
    color: #6c6cd4;
    border-radius: 6px;
    background-color: #d7d7f8;
}

.end_time_item p:last-child {
    color: #999;
    font-size: 13px;
}

.into_writing{
    width: 100%;
    text-align: center;
}
.into_writing p{
    font-size: 15px;
    line-height: 24px;
    color: #777;
    letter-spacing: 0;
}
.into_writing a{
    display: inline-block;
    text-align: center;
    color: #fff;
    border-radius: 40px;
    font-size: 17px;
    margin: 2px 2%;
    background-color: orangered;
    text-decoration: none;
    padding: 3px 17px;
    box-shadow: none;
    font-weight: normal;
}
@media screen and (max-width: 750px) {
    .modal_writing{
        width: 88%;
        border-radius: 10px;
    }
    .close_m{
        padding-top: 3px;
    }
    .mtext{
        line-height: 30px;
        font-size: 14px;
        margin-top: 4px;
    }
    .et_box {
        width: 56%;
        margin: 3px auto;
        padding: 8px 8%;
        border-radius: 6px;
    }

    .et_box h3 {
        font-size: 17px;
    }

    .end_day, .end_hour, .end_min, .end_second {
        width: 32px;
        padding: 5px 0;
        font-size: 17px;
    }

    .end_time_item p:last-child {
        font-size: 12px;
    }

    .into_writing p{
        font-size: 13px;
    }
    .into_writing a{
        font-size: 15px;
        margin: 2px 5px;
    }
}