@media (max-width:990px)
{
    .card{
        margin-top: 100px;
    }
}
.card-title{
    text-align: center;
}
.card-footer{
    text-align: center;
}

footer p, li {
    font-size: 16px;
    letter-spacing: 0;
    line-height: 25px;
    color: #42c0fa;
    font-weight: 600;
    margin-bottom: 0;
}

a:hover{
    background-color: #00ccff;
    color: black;
}

nav ul {
    padding-left: 397px;
}

@media (max-width:990px)
{
    nav ul {
        padding-left: 0px;
    }
}