.bg-success {
    border-radius: 10px;
}

.card-img-top {
    margin-top: 1vh;
}

.card {
    margin-top: 2vh;
}

.card a:link {

    color: white;
    background-color: transparent;
    text-decoration: underline;
}

.card a:hover {

    color: black;
    background-color: transparent;
    text-decoration: underline;

}

.card a:active {
    color: yellow;
    background-color: transparent;
    text-decoration: underline;
}

@media only screen and (min-width: 1020px) {
    .margin-cards {
        margin-left: 15vw;
        margin-right: 15vw;
    }
}