.weekly-header {
    display: flex;
}

.weekly-header .week-time-btn {
    border: none;
    background: none;
    padding: 0;
    color: #000;
    font-size: 15px;
}

.weekly-header .week-time-btn>.angle {
    color: rgb(90, 90, 90);
    margin-left: 5px;
}

.btn-group.open .week-time-btn {
    box-shadow: none;
}

.week-time-btn:hover,
.week-time-btn:focus {
    color: #000;
    background-color: none;
    box-shadow: none;
}

.week-time-toggle {
    width: 196px;
    height: 316px;
    overflow-y: scroll;
}

.open .week-time-toggle li a {
    padding: 10px 10px;
}

.week-time-toggle .week-time-item p {
    margin: 0;
}

.week-time-toggle>li>a:hover,
.week-time-toggle>li>a:focus {
    background-color: #f4f4f4;
}

.week-time-toggle .week-time-item .week-title {
    font-size: 15px;
    color: #000;
}

.week-time-toggle .week-time-item .week-time {
    font-size: 13px;
    color: #999;
}

.weekly-header .update-tips {
    margin-left: 3rem;
}

.weekly-video-item {
    padding: 5px;
}

.weekly-video-item .well {
    background-color: #fff;
    box-shadow: 0 1px 2px rgb(0 0 0 / 7%);
    padding: 9px;
    border-radius: 4px;
}

.video-text-block {
    display: flex;
    flex-direction: column;
}

.video-text-block .video-title {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    white-space: normal;
    color: #000;
    font-size: 15px;
}

.video-text-block .title-truncate .author {
    color: #777;
}

.video-text-block .tags {
    margin-top: auto;
}

.video-text-block .tags .label-category {
    background-color: #777;
}

.video-text-block .tags a:hover,
.video-text-block .tags a:focus {
    color: #fff;
}

@media (min-width: 540px) and (max-width: 750px) {
    .weekly-video-item .weekly-video-img {
        width: 23%;
    }
}

@media only screen and (max-width: 540px) {
    .weekly-header {
        display: block;
    }
    .weekly-header .update-tips {
        margin-left: 0;
        margin-top: 2rem;
        text-align: center;
    }
    .video-text-block .video-title {
        -webkit-line-clamp: 2;
    }
}