.card_slider {
    background-color: white;
    width: 25%;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.card_element {
    transition: 0.3s;
}

.card_element p {
    font-size: medium;
}

.card_container {
    padding: 2px 16px;
}

.card_img img {
    max-width: 100%;
    height: auto;
}

.card_nav {
    display: flex;
    justify-content: space-between;
    padding: 10px;
}

.btn {
    background-color: #4a4a4a;
    border-radius: 5px;
    border: none;
    color: white;
    padding: 10px 15px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    -webkit-transition-duration: 0.4s;
    transition-duration: 0.4s;
}

.btnNav {
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

@media(max-width:720px) {
    .card_slider {
        width: 85%;
    }
}