body {
font-family: Inter, -apple-system, BlinkMacSystemFont, “Segoe UI”, Roboto, sans-serif;
line-height: 1.6;
color: #333333;
max-width: 800px;
margin: 0 auto;
background-color: #ffffff;
}

.email-container {
padding: 0;
background-color: #ffffff;
}

.header {
background: linear-gradient(135deg, #82895b 0%, #4A7C59 100%);
color: white;
padding: 30px 40px;
text-align: center;
border-radius: 12px 12px 0 0;
}

.header h1 {
margin: 0;
font-size: 28px;
font-weight: 600;
letter-spacing: -0.5px;
}

.header .logo {
font-size: 20px;
font-weight: 700;
margin-bottom: 10px;
opacity: 0.9;
}

.content {
padding: 40px;
background-color: #ffffff;
border: 1px solid #e5e7eb;
border-top: none;
}

.content h2 {
color: #2c3e50;
font-size: 22px;
font-weight: 600;
margin: 20px 0 12px 0;
border-bottom: 2px solid #3498db;
padding-bottom: 5px;
}

.content h3 {
color: #82895b;
font-size: 18px;
font-weight: 600;
margin: 16px 0 8px 0;
}

.content p {
margin: 0 0 12px 0;
line-height: 1.7;
}

.content ul, .content ol {
margin: 12px 0;
padding-left: 24px;
}

.content li {
margin: 6px 0;
line-height: 1.6;
}

.content div {
background-color: #f0f8ff;
padding: 15px;
border-left: 4px solid #4CAF50;
margin: 15px 0;
}

.table-container {
margin: 20px 0;
overflow-x: auto;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.content table {
width: 100%;
border-collapse: collapse;
background-color: #ffffff;
font-size: 14px;
}

.content th {
background: linear-gradient(135deg, #82895b 0%, #4A7C59 100%);
color: white;
font-weight: 600;
padding: 12px 8px;
text-align: left;
border: 1px solid #82895b;
}

.content td {
padding: 10px 8px;
border: 1px solid #dee2e6;
vertical-align: top;
}

.content tr:nth-child(even) td {
background-color: #f8f9fa;
}

.footer {
background-color: #f8f9fa;
padding: 30px 40px;
text-align: center;
border-radius: 0 0 12px 12px;
border: 1px solid #e5e7eb;
border-top: none;
}

.footer p {
color: #6b7280;
font-size: 14px;
margin: 0;
}

@media (max-width: 600px) {
.header, .content, .footer {
padding: 20px;
}

.header h1 {
font-size: 24px;
}

.content h2 {
font-size: 20px;
}
}

• “Stjärnor och galaxer” (SLI.se) – koppling för lektion 5 om stjärnor och galaxer.
• “Stjärnhimlen” (UR Play) – koppling för lektion 5 om stjärnbilder.