body {
    font-family: Verdana, Arial, sans-serif;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    color: #1b2735;
}

html {
    height: 100%;
    overflow: hidden;
    background: radial-gradient(ellipse at bottom,#1b2735 0%, #090a0f 100%);
    overflow-y: auto; 
}

.content-section {
    background: #ffffff;
    padding: 10px 20px;
    border: 1px solid #dddddd;
    border-radius: 3px;
    margin-bottom: 20px;
    color: #1b2735; 
}

.bg-steel {
    background-color: #1b2735;
  }

.bg-sides {
    background-color: #ffffff;
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    background-attachment: fixed;
    background-size: cover;
}