* {
    font-family: sans-serif;
}

.form-group {
    margin-bottom: 10px;
}

.generate.hidden, .regenerate.hidden {
    display: none;
}

.output {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.output > div {
    border: 2px solid black;
    font-size: 24px;
    padding: 50px;
}

.output-item {
    position: relative;
}

.output-item:hover {
    background-color: #ccc;
}

.output-item.preferred {
    background-color: lightblue;
}

.prefer, .discard {
    border-radius: 50px;
    color: white;
    cursor: pointer;
    font-size: 20px;
    position: absolute;
    top: 10px;
}

.prefer {
    background-color: green;
    left: 10px;
    padding: 0 4px;
}

.discard {
    background-color: red;
    right: 10px;
    padding: 0 7px 2px;
}