:root {
    --body-backG-color: #2b88f0;
    --content-color: #fffbfb;
    --choice-color: #ef0fdc;
    --highlight-color: #1e367a;
}

@import url('https://fonts.googleapis.com/css?family=Muli&display=swap');

* {
    box-sizing: border-box; /*if we add border or padding, it doesn't affect the width of it. */
}

body {
    background-color: var(--body-backG-color);
    font-family: 'Muli', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden; /*don't want scroll bar to appear.*/
    margin: 0;
}

.container {
    width: 500px;;
}

h1 {
    color: var(--content-color);
    margin: 10px 0px 20px;
    text-align: center;
    font-size: 1.15rem;
}

textarea {
    border: none;
    display: block;
    width: 100%;
    height: 100px;
    font-family: inherit;
    padding: 10px;
    margin: 0px 0px 20px;
    font-size: 16px;
    outline: none;
}

textarea:focus {
    outline: none;
}

.tag {
    background-color: var(--choice-color);
    color: var(--content-color);
    border-radius: 50px;
    padding: 10px 20px;
    margin: 0px 5px 10px 0px;
    font-size: 14px;
    display: inline-block;
}

.tag.highlight {
    background-color: var(--highlight-color);
}