body {
    font-family: 'Open Sans', sans-serif;
    font-size: 18px;
    line-height: 1.6;
    margin: 0;
    background-color: #fafafa;
    color: #222;

    display: flex;
    justify-content: center;
}

main {
    max-width: 80%;
    margin: 40px auto;
    padding: 0 24px;
}

h1 {
    font-size: 32px;
    margin-bottom: 24px;
    font-weight: 600;
    text-align: center;
    color: rgb(172, 86, 242);
}

.summary {
    margin: 0 0 64px 0;
    padding-left: 16px;
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
}

.summary p {
    margin: 0 0 6px 0;
}

.property-group {
    margin-bottom: 36px;
    background-color: rgb(228, 195, 255);
    border-radius: 10px;
    padding: 5px 20px;
}

.property-group h2 {
    font-size: 22px;
    margin-bottom: 12px;
    padding-bottom: 4px;
}

.sample {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
}

.label {
    width: 200px;
    font-size: 14px;
    color: #666;
    flex-shrink: 0;
}

.sentence {
    flex-grow: 1;
}

/* font-weight */
.weight-300 { font-weight: 300; }
.weight-400 { font-weight: 400; }
.weight-500 { font-weight:500; }
.weight-700 { font-weight: 700; }

/* font-style */
.style-normal { font-style: normal; }
.style-italic { font-style: italic; }

/* letter-spacing */
.spacing-normal { letter-spacing: normal; }
.spacing-wide { letter-spacing: .3em; }
.spacing-tight { letter-spacing: -0.6; }

/* text-transform */
.transform-none { text-transform: none; }
.transform-capitalize { text-transform: capitalize; }
.transform-upper { text-transform: uppercase; }
.transform-lower { text-transform: lowercase; }

/* text-decoration */
.decoration-none { text-decoration: none; }
.decoration-underline { text-decoration: underline; }
.decoration-overline { text-decoration: overline; }
.decoration-line { text-decoration: line-through; }