body {
    background-color: #DEDEDE;
    color: #232323;
}

.card {
    margin-top: 50px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.card-header {
    background-color: #191414;
    color: #fff;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.btn-primary {
    background-color: #1DB954;
    border-color: #1DB954;
}

.btn-primary:hover {
    background-color: #1ed760;
    border-color: #1ed760;
}

.alert {
    margin-top: 50px;
}