div#searchbox {
    display: flex;
    margin: 0 auto 0 auto;
}
input#url {
    font-size: 1.1em;
    height: 2.8em;
    border: 1px solid #ccc;
    border-radius: 5px 0 0 5px;
    padding-left: .75em;
    width: 80%;
    outline: none;
}
button#scan {
    color: white;
    background-color: #0d6efd;
    border: 0;
    border-radius: 0 5px 5px 0;
    height: 2.8em;
    font-size: 1.1em;
    font-weight: 600;
    flex-grow: 1;
    outline: none;
}
button#scan:hover {
    background-color: #2779bd;
}