@import url('https://fonts.googleapis.com/css?family=Noto+Sans+TC&display=swap');
* {
    font-family: 'Noto Sans TC', sans-serif;
}

body {
    margin: 0;
    transition: 0.6s;
}

button {
    cursor: pointer;
}

#sidepanel {
    display: flex;
    flex-direction: column;
    width: 15em;
    left: -18em;
    padding: 1em;
    transition: 0.6s;
    position: fixed;
    height: 100%;
    background: white;
    border-right: gray solid 3px;
}

.buttonGroup {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.buttonGroup>.title {
    width: 100%;
    margin-bottom: 0.2em;
    margin-top: 0.8em;
}

.buttonGroup>.description {
    width: 100%;
    margin-bottom: 0.1em;
    margin-top: 0.1em;
}

.buttonGroup>button {
    width: 2em;
    height: 2em;
    border-radius: 50%;
    box-shadow: none;
    border-style: none;
    border: 2px #666666 solid;
    margin: 0.1em;
}

.buttonGroup>button.withText {
    width: unset;
    border-radius: 1em;
}

.buttonGroup>button.largeButton {
    width: 5em;
    height: 3em;
    background: #f2f2f2;
    font-size: 1em;
}

#textarea {
    background: transparent;
    position: absolute !important;
    top: 0px !important;
    left: 0px !important;
    width: 100% !important;
    height: 100% !important;
    font-family: 'Noto Sans TC', 'Noto Sans', sans-serif !important;
    margin: 0px !important;
    border: 0px !important;
    line-height: normal !important;
    vertical-align: middle !important;
    text-align: center !important;
    overflow: hidden !important;
    resize: none !important;
    outline: none !important;
    transition: 0.2s;
}

#test {
    position: absolute !important;
    visibility: hidden !important;
    top: 0px !important;
    left: 0px !important;
    font-size: 30px !important;
    white-space: pre !important;
    border: 0px !important;
    padding: 0.1em !important;
    margin: 0px !important;
}

.rainbow-background {
    background: linear-gradient(90deg, #ff2400, #e81d1d, #e8b71d, #e3e81d, #1de840, #1ddde8, #2b1de8, #dd00f3, #dd00f3) !important;
}