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

body {
font-family: 'Open Sans', Arial, sans-serif;
font-size: 16px;
line-height: 1.6;
color: #777777;
background-color: #f1f1f1;
}

header {
background-color: #ffffff;
padding: 20px 3%;
border-bottom: 3px solid #b0cd2a;
}

header h1 {
color: #b0cd2a;
font-size: 2em;
font-weight: normal;
text-transform: uppercase;
margin: 0;
}

nav {
background-color: #555555;
padding: 0;
margin: 15px 3%;
}

nav ul {
list-style: none;
display: flex;
flex-wrap: wrap;
margin: 0;
padding: 0;
}

nav ul li {
flex: 1 1 auto;
text-align: center;
}

nav ul li a {
display: block;
padding: 15px 10px;
color: #ffffff;
text-decoration: none;
text-transform: uppercase;
font-size: 0.9em;
transition: background-color 0.3s;
}

nav ul li a:hover {
background-color: #cbd61d;
}

main {
max-width: 1200px;
margin: 0 auto;
padding: 30px 3%;
}

article {
background-color: #ffffff;
padding: 40px;
margin-bottom: 30px;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

article h1 {
color: #b0cd2a;
font-size: 2.2em;
margin-bottom: 25px;
font-weight: normal;
line-height: 1.2;
}

article h2 {
color: #4a4a4a;
font-size: 1.6em;
margin-top: 30px;
margin-bottom: 15px;
font-weight: normal;
}

article h3 {
color: #4a4a4a;
font-size: 1.3em;
margin-top: 25px;
margin-bottom: 12px;
font-weight: normal;
}

article p {
margin-bottom: 20px;
line-height: 1.8;
}

article ul, article ol {
margin-left: 40px;
margin-bottom: 20px;
}

article li {
margin-bottom: 10px;
line-height: 1.8;
}

.transition-section {
background-color: #ffffff;
padding: 30px 40px;
margin-bottom: 30px;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.transition-section p {
line-height: 1.8;
margin-bottom: 15px;
}

.links-section {
background-color: #ffffff;
padding: 40px;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.links-section h2 {
color: #b0cd2a;
font-size: 1.8em;
margin-bottom: 25px;
font-weight: normal;
text-transform: uppercase;
}

.links-section h3 {
color: #4a4a4a;
font-size: 1.3em;
margin-top: 25px;
margin-bottom: 15px;
font-weight: normal;
}

.links-section ul {
list-style: none;
margin: 0 0 30px 0;
padding: 0;
column-count: 2;
column-gap: 30px;
}

.links-section li {
margin: 0 0 10px 0;
padding: 8px 0 8px 20px;
background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="10"><circle cx="5" cy="5" r="3" fill="%23b0cd2a"/></svg>') no-repeat 0 12px;
break-inside: avoid;
page-break-inside: avoid;
}

.links-section li a {
color: #4a4a4a;
text-decoration: none;
transition: color 0.3s;
}

.links-section li a:hover {
color: #b0cd2a;
}

footer {
background-color: #555555;
color: #ffffff;
padding: 25px 3%;
margin-top: 30px;
text-align: center;
}

footer p {
margin: 5px 0;
font-size: 0.9em;
}

@media only screen and (max-width: 768px) {
header h1 {
font-size: 1.5em;
}

nav ul {
flex-direction: column;
}

nav ul li {
border-bottom: 1px solid #666666;
}

nav ul li:last-child {
border-bottom: none;
}

article {
padding: 25px;
}

article h1 {
font-size: 1.8em;
}

article h2 {
font-size: 1.4em;
}

article h3 {
font-size: 1.2em;
}

.transition-section {
padding: 20px 25px;
}

.links-section {
padding: 25px;
}

.links-section ul {
column-count: 1;
}

.links-section h2 {
font-size: 1.5em;
}
}

@media only screen and (max-width: 480px) {
header {
padding: 15px 3%;
}

header h1 {
font-size: 1.3em;
}

nav {
margin: 10px 3%;
}

nav ul li a {
padding: 12px 10px;
font-size: 0.85em;
}

main {
padding: 20px 3%;
}

article {
padding: 20px;
}

article h1 {
font-size: 1.5em;
margin-bottom: 20px;
}

article h2 {
font-size: 1.3em;
}

article h3 {
font-size: 1.1em;
}

.transition-section {
padding: 15px 20px;
}

.links-section {
padding: 20px;
}

.links-section h2 {
font-size: 1.3em;
}

footer {
padding: 20px 3%;
font-size: 0.85em;
}
}