* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f5f9ff;
    color: #333;
    line-height: 1.6;
}

#head {
    background-color: #ffffff;
    padding: 20px;
    text-align: center;
    border-bottom: 2px solid #e2e8f0;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

#head h1 {
    color: #2b6cb0;
}

.desc {
    max-width: 800px;
    margin: 30px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 6px;
    text-align: center;
}

#Howto,
#Opportunities,#Mentors {
    max-width: 800px;
    margin: 30px auto;
    padding: 25px;
    background-color: #ffffff;
    border-radius: 6px;
}

h2 {
    color: #2b6cb0;
    margin-bottom: 20px;
    text-align: center;
}


ol {
    list-style: none;
}

ol li {
    padding: 15px;
    margin-bottom: 15px;
    background-color: #f5f9ff;
    border-left: 4px solid #2b6cb0;
    border-radius: 4px;
}

ol li strong {
    display: block;
    margin-bottom: 6px;
    color: #2b6cb0;
}

p {
    font-size: 0.95rem;
}