.btn_text.dropdown-toggle::after{
    display: none;
}

.btn_text{
    padding: 3px 16px;
    border-radius: 2rem;
    font-size: .95rem;
    letter-spacing: .25rem;
    font-weight: 500;
    white-space: nowrap;
}
.btn_text_sm{
    font-size: 0.8rem;
    padding: 6px 20px;
}
.btn_text_lg{
    font-size: 1rem;
    padding: 5px 20px;
}
.btn_text_xl{
    font-size: 1.125rem;
    padding: 6px 32px;
}
@media(min-width: 576px){
    .btn_text{
        padding: 5px 22px;
        font-size: .95rem;
    }
    .btn_text_sm{
        font-size: 0.8rem;
        padding: 3px 16px;
    }
    .btn_text_lg{
        font-size: 1.05rem;
        padding: 8px 32px;
    }
    .btn_text_xl{
        font-size: 1.25rem;
        padding: 12px 40px;
    }
}

.btn_text:hover{
    transition: .5s;
}
/* .funcbtn{
    font-size: 1.25rem;
    padding: 3px 16px;
    border: 0px;
} */
.funcbtn{
    font-size: 1.25rem;
    padding: 0px;
    border: 0px;
    width: 35px;
    height: 35
    px;
    text-align: center;
}
#btn_history_back{
    background-color: transparent;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    color: rgb(0, 0, 0);
    font-size: 1.25rem;
}
#btn_history_back:hover{
    background-color: rgb(255,255,255);
}
/**/
.breadcrumb_block{
    display: flex;
    align-items: center;
    padding: .625rem 0px;
}
.breadcrumb_block .breadcrumb{
    margin-bottom: 0px;
}
.breadcrumb_block a{
    color: rgb(78,78,78);
    text-decoration: none;
}
.breadcrumb_block .breadcrumb-item+.breadcrumb-item::before {
    float: left;
    padding-right: 0.625rem;
    color: #4e4e4e;
    content: var(--bs-breadcrumb-divider, ">");
}
.breadcrumb_block .breadcrumb-item+.breadcrumb-item {
    padding-left: 0.625rem;
}
.title_block{
    padding-bottom: 1.25rem;
    border-bottom: 1px solid #d3d3d3;
    margin-bottom: 2.5rem;
}
/* .title_block .main_title{
    font-weight: 500;
    font-size: 1.5rem;
    transform: translateY(3px);
    display: block;
}
.title_block .sub_title{
    font-weight: 300;
    font-size: 1.5rem;
} */
.heading{
    font-weight: 00;
    font-size: 1.25rem;
}
/*tag*/
.tag_frame{
    white-space: nowrap;
    font-size: .9rem;
    font-weight: 500;
}
.tag_frame::before{
    content:"\A";
    width: 7px;
    height: 7px;
    border-radius:50%;
    background: #7c7c7c;
    display:inline-block;
    margin:0 10px;
}
.tag_danger::before{
    background-color: #D76E60;
}
.tag_warn::before{
    background-color: #FFB45C;
}
.tag_primary::before{
    background-color: #487DCE;
}
.tag_secondary::before{
    background-color: #707070;
}
/*inputbox*/
.inputbox{
    border-radius: 30px;
    border: 1px solid rgb(185,185,185);
}
/*scrollbar*/
.scrollbar_x{
    overflow-x: auto;
    scrollbar-width: thin;
}
.scrollbar_x::-webkit-scrollbar-track {
    border-radius: 10px;
    background-color: transparent;
}

.scrollbar_x::-webkit-scrollbar {
    background-color: transparent;
    height: 8px;
}

.scrollbar_x::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: rgb(190, 190, 190);
}
.scrollbar_y{
    overflow-y: auto;
    scrollbar-width: thin;
}
.scrollbar_y::-webkit-scrollbar-track {
    border-radius: 10px;
    background-color: transparent;
}

.scrollbar_y::-webkit-scrollbar {
    background-color: transparent;
    width: 6px;
}

.scrollbar_y::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: rgb(190, 190, 190);
}
/*message*/
#user_photo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgb(177, 177, 177);
}

#user_photo img {
    border-radius: 50%;
}

#message_textarea {
    max-height: 100px;
    overflow: auto;
}

.textarea {
    display: block;
    width: 100%;
    overflow: hidden;
    resize: vertical;
    min-height: 40px;
    line-height: 20px;
}

.textarea[contenteditable]:empty::before {
    content: "發送訊息";
    color: gray;
}

.time_block {
    color: #6A7074;
}

.content_block .text {
    background-color: #487DCE;
    color: #fff;
    padding: 12px 20px;
    border-radius: 20px;
    word-break: break-all;
}

.content_block .time {
    font-size: .8rem;
}

.content_block .name {
    color: #343E42;
    font-size: .9rem;
}

.content_block .text_block,
.content_block .time,
.content_block .name {
    margin-right: .5rem;
    margin-left: .5rem;
}


/**/
.box_16to9 {
    width: 100%;
    position: relative;
}
.box_16to9:after {
    content: "";
    display: block;
    padding-bottom: calc(100%*9/16);
}

/*progress*/
.progressbox{
    height: 0.5rem;
}