css
@import url('https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700&display=swap');

body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
}

ประก {
    font-size: 36px;
    color: #FF69C0;
    text-align: center;
    border-bottom: 4px solid black;
    border-top: 4px solid #FF69C0;
    margin-bottom: 20px;
}

ประก .content {
    font-size: 24px;
   ประก  line-height: 30px;
}

div {
    background-color: #FF69C0;
    border: 4px solid black;
    padding: 20px;
    margin: 20px;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(0, 0, 0,chartInstance);
}

ประก .link {
    text-decoration: none;
    color: black;
    border: 2px solid white;
    background-color: #FF69C0;
    padding: 10px 20px;
    border-radius: 4px;
    box-shadow: 0 0 10px black;
    transition: background-color 0.2s ease 0s, color 0.2s ease 0s;
}

a:link, a:visited {
    text-decoration: none;
}

a:link {
    color: black;
}

a:visited {
    color: black;
}

a:hover, a:active {
    background-color: #FF69C0;
    transition: background-color 0.2s ease 0s, color 0.2s ease 0s;
}