:root {
    --announcement-text-color: #333333;
    --annoucement-title-color: #000000;
    --announcement-subtitle-color: #555555;
  
    --announcement-bg-color: #f9f9f9;
    --announcement-body-bg-color: rgb(255 255 255);
    --announcement-border-radius: 0.375rem;

    --announcement-card-border-color: #ccc;
    --announcement-card-ring-color: #0dcaf0;
}
:root[data-theme='dark'] {
    --announcement-text-color: #dddddd;
    --annoucement-title-color: #ffffff;
    --announcement-subtitle-color: #aaaaaa;

    --announcement-bg-color: #171b28;
    --announcement-body-bg-color: #1e1e1e;
    --announcement-border-radius: 0.375rem;

    --announcement-card-border-color: #444;
    --announcement-card-ring-color: #20c997;
}
.announcement-page {
    padding: 15px;
    background-color: var(--announcement-bg-color);
    border-radius: var(--announcement-border-radius);
    min-height: 400px;
}
.announcement-header {
    padding: 8px 16px;
}
.announcement-header h1 {
    font-size: 24px;
    font-weight: bold;
    color: var(--announcement-text-color);
}
.announcement-body {
    background-color: var(--announcement-body-bg-color);
    display: block;
}
.announcement-card__list {
    padding:  16px;
    margin-bottom: 12px;
    background-color: var(--announcement-bg-color);
    list-style-type: none;
}
.announcement-card__item {
    margin-bottom: 8px;
    padding: 12px;
    display: flex;
    align-items: center;
    border-radius: var(--announcement-border-radius) ;
    border: var(--announcement-card-border-color) 1px solid;
}
.announcement-card__image {
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.announcement-card__ring {
    color: var(--announcement-card-ring-color);
    width: 40px;
    height: 40px;
}
.announcement-card__content {
    display: block;

}
.announcement-card__title {
    display: block;
}
.announcement-card__time {
    display: block;
}
.announcement-card__title>h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--announcement-text-color);
}
.announcement-card__time>span {
    font-size: 14px;
    color: var(--announcement-text-color);
}