options.css

:root {
    --main-bg-color: #ecf1f4;
    --main-color: #242225;
    --warn-color: #a8140c;
    --line-color: #3b383c;
}

.hidden {
    visibility: hidden;
}

body {
    width: 720px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 0vh;
    margin-bottom: 0vh;
}

#app {
    padding: 1em;
    flex-direction: row;
    justify-items: center;
    background-color: var(--main-bg-color);
    color: var(--main-color);
}

#list-of-rule {
    display: flex;
    flex-direction: column;
    gap: 0.5em;
}

#buttons-wrapper {
    display: flex;
    justify-content: space-around;
}

.rule-row {
    display: flex;
    justify-content: space-around;
}

.remove-rule-button {
    color: var(--warn-color);
    cursor: pointer;
}

hr {
    width: 90%;
}

button {
    border-radius: 0.2em;
    border-width: thin;
    border-color: var(--line-color);
    color: var(--main-color);
}

input {
    font-family: monospace;
}