.btn {
    --mdb-btn-box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px !important;
    --mdb-btn-hover-box-shadow: rgba(0, 0, 0, 0.3) 0px 5px 10px 0px !important;
    transition: 500ms;
}

.btn-primary {
    background: var(--mdb-primary) !important;
    color: var(--mdb-black) !important;
    box-shadow: var(--mdb-btn-box-shadow) !important;
}

.btn-outline-primary {
    color: var(--mdb-dark) !important;
    border-color: var(--mdb-primary) !important;
    box-shadow: var(--mdb-btn-box-shadow) !important;
}

:not(.btn-check) + .btn-primary:hover, .btn-primary:hover, .btn-primary:first-child:hover, .btn-primary:focus, .btn-primary:active,
:not(.btn-check) + .btn-outline-primary:hover, .btn-outline-primary:first-child:hover, .btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active {
    box-shadow: var(--mdb-btn-hover-box-shadow) !important;
}

.btn-scroll-top {
    position: fixed;
    right: 2rem;
    bottom: 1rem;
    width: 2.75rem;
    height: 2.75rem;
    text-align: center;
    color: var(--mdb-black);
    background: var(--mdb-primary);
    line-height: 46px;
    transition: 0.5s;
    z-index: 999;
}

.btn-scroll-top:hover {
    color: var(--mdb-light);
}