body {
    background: black;
    color: rgba(255,255,255,0.7);
    font-weight: 50;
    font-size: 14px;
    padding: 5%;
}

.btn-container {
    padding-bottom: 35px;
}

.btn {
    border: 1px solid #221 !important;
    font-family: "Roboto" !important;
    display: block;
    width: 100%;
    font-size: 1.2em;
    padding: 18px;
    white-space: nowrap;
    background: transparent;
    color: white;
    cursor: pointer;
}

.btn:hover {
    background-color: #333;
    color: white;
    font-weight: bold;
}

/* All Desktop */
@media screen and (min-width: 769px) {
    .btn:hover {
        background-color: #ccc;
        color: black;
        font-weight: bold;
    }
}

/* Big Desktop full width */
@media screen and (min-width: 76em) {
    body {
        max-width: 720px;
        margin: 0 auto;
    }

    .btn:hover {
        background-color: #ccc;
        color: black;
        font-weight: bold;
    }
}