詳解CSS制作Web頁面條紋背景樣式的技巧

一、橫向條紋
如下代碼:
- background: linear-gradient(#fb3 20%, #58a 80%)
上面代碼表示整個圖片的上部分20%和下部分20%是對應(yīng)的純色,只有中間的部分是漸變色。如果讓中間的部分逐漸縮小,當(dāng)中間部分變?yōu)?即上下兩種顏色的七點和終點相同是,就沒有了漸變而變成了兩種顏色的色條:
- background: linear-gradient(#fb3 50%, #58a 50%);
接下來可以通過設(shè)置背景的大小,讓背景高度變小并且背景默認(rèn)為repeat,從而出現(xiàn)條紋狀
- background: linear-gradient(#fb3 50%, #58a 50%);
- background-size: 100% 30px;
我們可以不設(shè)定第二個顏色的起始位置,設(shè)置為0,則瀏覽器默認(rèn)為接著上一個顏色開始:
- background: linear-gradient(#fb3 30%, #58a 0);
- background-size:100% 30px;
這樣就形成了一個黃色占30%藍(lán)色占70%的條紋狀背景
也可以設(shè)置多種顏色,下面設(shè)置了三種顏色的條紋:
- background: linear-gradient(#fb3 33.3%, #58a 0, #58a 66.6%,yellowgreen 0);
- background-size: 100% 45px;
二、豎向條紋
只需要在linear-gradient方法中加一個前綴即可。注意還需顛倒background-size長寬的設(shè)定
- background: linear-gradient(to rightright, #fb3 50%, #58a 0);
- background-size:30px 100%;
三、斜向條紋
可以通過修改background-size的值以及為linear-gradient添加角度來實現(xiàn)斜向的條紋:
background: linear-gradient(45deg, #fb3 50%, #58a 0); //讓背景的漸變帶有傾斜
background-size:30px 30px; //每一塊小組成部分固定寬度和高度
但這樣做的結(jié)果是只會形成一小塊一小塊的斜線,而不是整體div的斜線,我們需要以四個小div為一組繪制斜線,添加linear-gradient中的顏色分解:
- background: linear-gradient(45deg, #fb3 25%, #58a 0, #58a50%, #fb3 0, #fb3 75%, #58a 0);
- background-size:30px 30px;
四、使用repeat-linear-gradient
對于斜線的背景繪制,使用repeat-linear-gradient方法更有效。使用該方法的時候,設(shè)置的顏色變化會自動進行重復(fù)直到鋪滿整個div。實例代碼如下:
- background: repeating-linear-gradient(45deg, #fb3, #58a 30px);
通過這種方式可以任意更改角度,而不會出現(xiàn)上中方法中的調(diào)節(jié)困難
background: repeating-linear-gradient(60deg, #fb3, #fb315px, #58a 0, #58a 30px);
(這種方法其實相當(dāng)于將size的控制和gradient的控制合到了一起)
五、關(guān)于顏色的設(shè)定
有時我們希望條紋背景的顏色之間是相近的顏色,但是如果手動設(shè)定這個顏色的#很不方便,也很難發(fā)現(xiàn)要選擇什么樣的顏色??梢允褂萌缦路椒ǎ?/p>
- background: #58a;
- background-image: repeating-linear-gradient(30deg,
- hsla(0,0%,100%,.1),
- hsla(0,0%,100%,.1)15px,
- transparent 0,transparent 30px);
這種方法的原理是:指定背景中最深的顏色,條文中其他相近色用透明度進行調(diào)整
六、綜合實例
這里效果圖一起放上來了,與下面的樣式一一對應(yīng):
- .stripes {
- height: 250px;
- width: 375px;
- float: left;
- margin: 10px;
- -webkit-background-size: 50px 50px;
- -moz-background-size: 50px 50px;
- background-size: 50px 50px; /* 控制條紋的大小 */
- -moz-box-shadow: 1px 1px 8px gray;
- -webkit-box-shadow: 1px 1px 8px gray;
- box-shadow: 1px 1px 8px gray;
- }
- .horizontal {
- background-color: #0ae;
- background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(.5, rgba(255, 255, 255, .2)), color-stop(.5, transparent), to(transparent));
- background-image: -moz-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
- background-image: -o-linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
- background-image: linear-gradient(rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
- }
- .vertical {
- background-color: #f90;
- background-image: -webkit-gradient(linear, 0 0, 100% 0, color-stop(.5, rgba(255, 255, 255, .2)), color-stop(.5, transparent), to(transparent));
- background-image: -moz-linear-gradient(0deg, rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
- background-image: -o-linear-gradient(0deg, rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
- background-image: linear-gradient(0deg, rgba(255, 255, 255, .2) 50%, transparent 50%, transparent);
- }
- .picnic {
- background-color:white;
- background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(.5, transparent), color-stop(.5, rgba(200, 0, 0, .5)), to(rgba(200, 0, 0, .5))),
- -webkit-gradient(linear, 0 0, 100% 0, color-stop(.5, transparent), color-stop(.5, rgba(200, 0, 0, .5)), to(rgba(200, 0, 0, .5)));
- background-image: -moz-linear-gradient(transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
- -moz-linear-gradient(0deg, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5));
- background-image: -o-linear-gradient(transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
- -o-linear-gradient(0deg, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5));
- background-image: linear-gradient(transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
- linear-gradient(0deg, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5));
- }
- .picnic {
- background-color:white;
- background-image: -webkit-gradient(linear, 0 0, 0 100%, color-stop(.5, transparent), color-stop(.5, rgba(200, 0, 0, .5)), to(rgba(200, 0, 0, .5))),
- -webkit-gradient(linear, 0 0, 100% 0, color-stop(.5, transparent), color-stop(.5, rgba(200, 0, 0, .5)), to(rgba(200, 0, 0, .5)));
- background-image: -moz-linear-gradient(transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
- -moz-linear-gradient(0deg, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5));
- background-image: -o-linear-gradient(transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
- -o-linear-gradient(0deg, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5));
- background-image: linear-gradient(transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5)),
- linear-gradient(0deg, transparent 50%, rgba(200, 0, 0, .5) 50%, rgba(200, 0, 0, .5));
- }
- .angled-135 {
- background-color: #c16;
- background-image: -webkit-gradient(linear, 0 0, 100% 100%,
- color-stop(.25, rgba(255, 255, 255, .2)), color-stop(.25, transparent),
- color-stop(.5, transparent), color-stop(.5, rgba(255, 255, 255, .2)),
- color-stop(.75, rgba(255, 255, 255, .2)), color-stop(.75, transparent),
- to(transparent));
- background-image: -moz-linear-gradient(-45deg, rgba(255, 255, 255, .2) 25%, transparent 25%,
- transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%,
- transparent 75%, transparent);
- background-image: -o-linear-gradient(-45deg, rgba(255, 255, 255, .2) 25%, transparent 25%,
- transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%,
- transparent 75%, transparent);
- background-image: linear-gradient(-45deg, rgba(255, 255, 255, .2) 25%, transparent 25%,
- transparent 50%, rgba(255, 255, 255, .2) 50%, rgba(255, 255, 255, .2) 75%,
- transparent 75%, transparent);
- }
- .checkered {
- background-image: -webkit-gradient(linear, 0 0, 100% 100%, color-stop(.25, #555), color-stop(.25, transparent), to(transparent)),
- -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, #555), color-stop(.25, transparent), to(transparent)),
- -webkit-gradient(linear, 0 0, 100% 100%, color-stop(.75, transparent), color-stop(.75, #555)),
- -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.75, transparent), color-stop(.75, #555));
- background-image: -moz-linear-gradient(45deg, #555 25%, transparent 25%, transparent),
- -moz-linear-gradient(-45deg, #555 25%, transparent 25%, transparent),
- -moz-linear-gradient(45deg, transparent 75%, #555 75%),
- -moz-linear-gradient(-45deg, transparent 75%, #555 75%);
- background-image: -o-linear-gradient(45deg, #555 25%, transparent 25%, transparent),
- -o-linear-gradient(-45deg, #555 25%, transparent 25%, transparent),
- -o-linear-gradient(45deg, transparent 75%, #555 75%),
- -o-linear-gradient(-45deg, transparent 75%, #555 75%);
- background-image: linear-gradient(45deg, #555 25%, transparent 25%, transparent),
- linear-gradient(-45deg, #555 25%, transparent 25%, transparent),
- linear-gradient(45deg, transparent 75%, #555 75%),
- linear-gradient(-45deg, transparent 75%, #555 75%);
- }
HTML代碼:
- <div class="horizontal stripes"></div>
- <div class="vertical stripes"></div>
- <div class="picnic stripes"></div>
- <div class="angled stripes"></div>
- <div class="angled-135 stripes"></div>
- <div class="checkered stripes"></div>
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