linear-gradient 是CSS3中一個(gè)重要的屬性，初看覺得很簡單，但是別看它簡單，它能實(shí)現(xiàn)很多復(fù)雜的圖形。

代碼還是比較簡單的:

linear-gradient(65deg,#2b7ce7,#2b7ce7 50%,transparent 0,transparent),
linear-gradient(115deg,#2b7ce7,#2b7ce7 50%,transparent 0,transparent)

但是理解起來還是需要一定基礎(chǔ)的。

線性漸變 linear-gradient

基本用法

background-image: linear-gradient(red, yellow, blue, green); 
background-image: linear-gradient(rgba(255, 0, 0, .2), yellow, blue, green);

控制顏色漸變的方向(right, left, top, bottom)

/*
    控制顏色漸變的方向
    to right -- 從左向右
    to top -- 從下到上
    to left -- 從右到左
    to bottom --- 從上到下（默認(rèn)值）
*/
background-image: linear-gradient(to right, red, yellow, blue, green);
background-image: linear-gradient(to top, red, yellow, blue, green);
background-image: linear-gradient(to left, red, yellow, blue, green);
background-image: linear-gradient(to bottom, red, yellow, blue, green);

控制顏色漸變的方向(deg)

/*0deg = to top -- 從下到上*/
background-image: linear-gradient(0deg, red, yellow, blue, green);
/*基于0度順時(shí)針旋轉(zhuǎn)45deg*/
background-image: linear-gradient(45deg, red, yellow, blue, green);
/*基于0度逆時(shí)針旋轉(zhuǎn)45deg*/
background-image: linear-gradient(-45deg, red, yellow, blue, green);

控制顏色漸變的方向(deg)

/*設(shè)置過渡顏色的起始位置*/
/*從過渡起始位置50px開始讓紅色和黃色之間產(chǎn)生顏色漸變效果*/
background-image: linear-gradient(to right, red 50px, yellow, blue, green);
background-image: linear-gradient(to right, red 50px, yellow 50px, blue, green);
background-image: linear-gradient(to right, red 50px, yellow 50px, yellow 100px, blue, green);

重復(fù)線性漸變：repeating-linear-gradient

background-image: linear-gradient(to right
, red 0
, red 50px
, yellow 50px
, yellow 100px
, red 100px
, red 150px
, yellow 150px
, yellow 200px);
/**與上面重復(fù)寫漸變有相同的效果*/
background-image: repeating-linear-gradient(
        to right
        , red 0
        , red 50px
        , yellow 50px
        , yellow 100px
);

相關(guān)推薦：

CSS3的linear-gradient線性漸變使用方法

利用CSS3的線性漸變linear-gradient制作邊框的示例代碼分享

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