#post .card {
    background-color: #D7D7D7;
    font-size: 1.8rem;
    font-weight: 500;
}
#post .card img {
    height: 15vw;
}
@media (max-width: 767px) {
    #post .card img {
        height: auto;
    }
}
/*無障礙*/
#post a {
    border: 3px transparent dashed;
}
#post a:hover, #post a:focus {
    border: 3px black dashed;
}
#post .btn:hover, #post .btn:focus {
    border: 3px white dashed;
}