.grid-items
{
    display: flex;
    flex-wrap: wrap;
}
.grid-items article
{
    width: 50%;
    padding: 15px;
    border-right: .1em solid #ddd;
    border-bottom: .1em solid #ddd;
}
.grid-items article img
{
    width: 100%;
    height: 100px;
    -o-object-fit: contain;
       object-fit: contain;
}
.grid-items article p
{
    font-size: 12px;
    font-weight: bold;
    display: -webkit-box;
    overflow: hidden;
    margin: 15px 0 10px;
    color: #373a3c;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
.grid-items article small,
.grid-items article span
{
    font-size: 11px;
    color: #707070;
}
.grid-items article span
{
    display: block;
    text-align: right;
}
.grid-items article span object
{
    display: inline-block;
    margin-right: 5px;
}

@media screen and (min-width: 768px)
{
    .grid-items article
    {
        width: 20%;
    }
    .grid-items article img
    {
        height: 200px;
    }
}
.header-nav
{
    font-weight: bold;
    position: sticky;
    z-index: 10;
    top: 0;
    padding: 15px 15px 5px 15px;
    color: #fff;
    background-color: #6aa74e;
}
.header-nav a
{
    padding-right: 1em;
}
.header-nav p
{
    font-size: 16px;
    overflow: hidden;
    width: 100%;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.header-nav img
{
    height: 30px;
}