特斯拉官網作為一家高科技電動汽車生產公司的官方網站，自然也有著相應的前端技術的支持。其中，CSS的運用也不容忽視。

body {
font-family: 'Open Sans', sans-serif;
font-size: 16px;
line-height: 1.6;
background-color: #f8f8f8;
}
header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 20px;
background-color: #131921;
color: white;
}
nav {
display: flex;
justify-content: space-between;
align-items: center;
margin: 0 50px;
}
nav ul {
display: flex;
justify-content: space-between;
align-items: center;
list-style: none;
}
nav ul li {
margin: 0 20px;
}
nav ul li a {
text-decoration: none;
color: white;
}
.hero {
height: 700px;
background-position: center;
background-repeat: no-repeat;
background-size: cover;
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
}
.hero h1 {
font-size: 5rem;
font-weight: bold;
color: white;
text-align: center;
margin-bottom: 20px;
}
.hero p {
font-size: 2.5rem;
color: white;
text-align: center;
margin-bottom: 40px;
}
.learn-more {
background-color: #f8f8f8;
padding: 100px;
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
}
.learn-more h2 {
font-size: 3rem;
font-weight: bold;
text-align: center;
margin-bottom: 20px;
}
.learn-more p {
font-size: 1.5rem;
text-align: center;
margin-bottom: 40px;
}
.button {
border: none;
background-color: #131921;
color: white;
font-size: 1.2rem;
padding: 10px 20px;
border-radius: 4px;
cursor: pointer;
}
.button:hover {
background-color: white;
color: #131921;
}

可以看到，特斯拉官網的CSS代碼中充分運用了flex布局，以及background屬性進行背景圖的定位，同時也使用了顏色、字體、邊框等屬性調整頁面樣式。此外，特斯拉官網還使用hover偽類實現了鼠標懸停效果。這些CSS技巧的運用，優化了頁面的視覺效果和用戶體驗。