CSS3弹性盒模型_html/css_WEB-ITnose
弹性盒模型
- 弹性盒模型，在使用弹性盒模型时，父元素必须要加：display：box; 或display: inline-box; box-orient定义盒模型的布局方向，horizontal水平显示，vertical垂直显示
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<style> .box {height: 100px; border: 10px solid #000; padding: 10px; display: -webkit-box; -webkit-box-orient: vertical;} .box div {width: 100px; height: 100px; background:red; border: 1px solid #fff;}</style><body> <div class="box"> <div>1</div> <div>2</div> <div>3</div> </div></body>Copy after login - 元素排列顺序box-direction: Normal, reverse（反序）
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<style> .box {height: 100px; border: 10px solid #000; padding: 10px; display: -webkit-box; -webkit-box-orient: vertical; -webkit-box-direction: reverse;} .box div {width: 100px; height: 100px; background:red; border: 1px solid #fff;}</style><body> <div class="box"> <div>1</div> <div>2</div> <div>3</div> </div></body>Copy after login - 元素排列顺序,box-ordinal-group:123..... 设置元素的具体的排列顺序
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<style> .box {height: 100px; border: 10px solid #000; padding: 10px; display: -webkit-box; -webkit-box-orient: vertical;} .box div {width: 100px; height: 100px; background:red; border: 1px solid #fff;} .box div:nth-of-type(1) {-webkit-box-ordinal-group: 2;} .box div:nth-of-type(2) {-webkit-box-ordinal-group: 3;} .box div:nth-of-type(3) {-webkit-box-ordinal-group: 1;}</style><body> <div class="box"> <div>1</div> <div>2</div> <div>3</div> </div></body>Copy after login - 弹性盒模型（2），box-flex定义盒子的弹性空间，定义盒子中每个div所占的份数，类似于定义百分比，子元素的尺寸 = 盒子的尺寸 * 子元素的box-flex属性值 / 所有子元素的box-flex属性值的和
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<style> .box {height: 100px; border: 10px solid #000; padding: 10px; display: -webkit-box; -webkit-box-orient: vertical;} .box div {width: 100px; height: 100px; background:red; border: 1px solid #fff;} .box div:nth-of-type(1) {-webkit-box-flex: 1;} .box div:nth-of-type(2) {-webkit-box-flex: 2;} .box div:nth-of-type(3) {-webkit-box-flex: 3;}</style><body> <div class="box"> <div>1</div> <div>2</div> <div>3</div> </div></body>Copy after login - box-pack在水平方向上对盒子富裕的空间进行管理，属性值有：start(富裕空间在右侧), end(富裕空间在左侧), center(富裕空间在两侧), justify(富裕空间平均分配到元素之间的间隙)
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<style> .box {height: 100px; border: 10px solid #000; padding: 10px; display: -webkit-box; -webkit-box-orient: vertical; -webkit-box-direction: reverse; -webkit-box-pack: end;} .box div {width: 100px; height: 100px; background:red; border: 1px solid #fff;}</style><body> <div class="box"> <div>1</div> <div>2</div> <div>3</div> </div></body>Copy after login - box-align在垂直方向上对元素的位置进行管理，有三个属性值：start(富裕空间在底部), end(富裕空间在顶部), center(垂直居中)
- 盒 模型阴影box-shadow: [inset] x, y, blur, [spread], color; inset: 投影方式（内投影）； x, y: 阴影偏移； blur: 模糊半径； spread: 扩展阴影半径（先扩展一定像素再模糊）； color: 阴影颜色；
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<style> .box {width: 100px; height: 100px; margin: 100px; background: red; box-shadow: 10px 10px 30px blue;}</style><body> <div class="box"></div></body>Copy after login - box-reflect倒影,有四个属性，表示四个方向分别是： above, below, left, right;
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<style><br /> // reflect表示倒影和元素之间的距离 img { display: block; margin: 200px auto; -webkit-box-reflect: below 10px;}</style><body> <img src="" / alt="CSS3弹性盒模型_html/css_WEB-ITnose" ></body>Copy after login - 渐变: -webkit-linear-gradient(red 0, blue 100%);
- resize: both(上下左右均可拖动)，horizontal（水平可拖动），vertical（垂直可拖动）; 一定要配合overflow：auto使用
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<style> // 水平方向上可以拖动 .box {width: 100px; height: 100px; background: url(1.png); border: 5px solid #000; resize: horizontal; overflow: auto;}</style><body> <div class="box"></div></body>Copy after login - box-sizing盒模型的解析模式
- content-box 标准盒模型 width/height = content
- border-box 怪异盒模型 width/height = border + padding + content
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