CSS3 过渡、动画、多列、用户界面
transition过渡
transition: transition-property transition-duration transition-timing-function transition-delay;//过渡名称 过渡时长 过渡时间曲线 过渡延时
.box {
width: 100px;
height: 100px;
line-height: 100px;
color: red;
text-align: center;
background-color: yellow;
transition: width 2s, height 2s, line-height 2s;
-webkit-transition: width 2s, height 2s, line-height 2s;
-moz-transition: width 2s, height 2s, line-height 2s;
-o-transition: width 2s, height 2s, line-height 2s;
}
.box:hover {
width: 200px;
height: 200px;
line-height: 200px;
}
animation 动画
animation: animation-name animation-duration animation-timing-function animation-delay animation-iteration-count animation-direction animation-play-state animation-fill-mode;
/*动画名称 动画周期 动画时间曲线 动画延时 动画次数 动画方向(normal、alternate) 动画暂停或运行(paused、running) 动画在播放之前或之后,其动画效果是否可见(none、forwards、backwards、both)*/
.box {
position: relative;
width: 100px;
height: 100px;
line-height: 100px;
text-align: center;
background-color: green;
color: yellow;
-webkit-animation: move 5s linear infinite;
}
@-webkit-keyframes move {
0% { left:; top:; }
25% { left: 200px; top:; background-color: orange;}
50% { left: 200px; top: 200px; background-color: red; }
75% { left:; top: 200px; background-color: lightblue; }
100% { left:; top:; }
}
多列
column-count 元素应该被分隔的列数
column-gap 列与列之间的间隔
column-rule 列与列之间的宽度、样式、颜色规则
div {
-moz-column-count:; /* Firefox */
-moz-column-rule:3px outset #ff0000;
-moz-column-gap:40px;
-webkit-column-count:; /* Safari 和 Chrome */
-webkit-column-gap:40px;
-webkit-column-rule:3px outset #ff0000;
column-count:;
column-gap:40px;
column-rule:3px outset #ff0000;
}
用户界面
resize 规定是否可由用户调整元素的尺寸
resize: none|both|horizontal|vertical;
box-sizing 允许您以确切的方式定义适应某个区域的具体内容
box-sizing: content-box|border-box|inherit;
outline-offset 对轮廓进行偏移,并在边框边缘进行绘制
outline-offset: length|inherit;