html,body{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12pt;
    color: #000;
    background-color: #fff;
    margin: 0;
    padding: 2px;
}

.logo {
    height: 150px;
}

.category {
    overflow:hidden;
}

.category-title {
    cursor: pointer;
    background-color: #999;
    font-weight: bold;
    padding: 10px;
    margin: 10px 0;
}

.linkimg{
    width: 300px;
    height: 195px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.linkimg img {
    width: 100%;
}



div.card{
    width: 310px;
    height: 310px;
    padding: 10px;
    margin: 10px;
    text-overflow: ellipsis;
    float: left;
    border: 1px solid #777;
    border-radius: 10px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}


/* Large devices (desktops, less than 1200px)*/
@media (max-width: 1199.98px) { 
    div.card{
        width: 400px;
        height: 400px;
    }    
}

/* Small devices (landscape phones, less than 768px)*/
@media (max-width: 767.98px) { 
    div.card{
        width: 93%;
        height: 93%;
    }    
}


div.card:hover{
    border: 1px solid lightskyblue;
    background-color: lightskyblue;
}

div.selected {
    background-color: #ccc;
}

div.selected:hover {
    border: 1px solid lightblue;
    background-color: lightblue;
}

.date {
    font-weight: bold;
    float:right;
}



/* input[type=checkbox]:checked + div  {
    background-color: #00f;
} */

.youtube {
    background-color: #000;
    margin-bottom: 30px;
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    cursor: pointer;
}
.youtube img {
    width: 100%;
    top: -16.84%;
    left: 0;
    opacity: 0.7;
}
.youtube .play-button {
    width: 90px;
    height: 60px;
    background-color: #333;
    box-shadow: 0 0 30px rgba( 0,0,0,0.6 );
    z-index: 1;
    opacity: 0.8;
    border-radius: 6px;
}
.youtube .play-button:before {
    content: "";
    border-style: solid;
    border-width: 15px 0 15px 26.0px;
    border-color: transparent transparent transparent #fff;
}
.youtube img,
.youtube .play-button {
    cursor: pointer;
}
.youtube img,
.youtube iframe,
.youtube .play-button,
.youtube .play-button:before {
    position: absolute;
}
.youtube .play-button,
.youtube .play-button:before {
    top: 50%;
    left: 50%;
    transform: translate3d( -50%, -50%, 0 );
}
.youtube iframe {
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
}

.right {
    float: right;
}

.subscribe {
    height: 50px;
}