.jumbotron {
    position: relative;
    z-index: 2;
    width: 400px;
    height: 320px;
    margin: auto;
    box-shadow: 0 8px 16px -6px black;
    background: rgb(188, 188, 188);
    border: 2px solid rgb(165, 165, 165);
}
    .jumbotron input {
        margin: 2px;
    }
    .jumbotron button {
        margin-top: 10px;
    }

#card_title {
    font-size: 20px;
    color: black;
    margin-bottom: 10px
}

#card_logo {
    margin: 0px;
    max-width: 300px;
    max-height: 80px;
}

#lb_header {
    margin-top: 20px;
}

.op-reset {
    color: #0e5cae;
}