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css图片的一些方法

css图片的一些方法

作者: 你猜_e00d | 来源:发表于2018-08-15 21:24 被阅读0次

    css3过度动画

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>CSS3过渡动画</title>
        <style type="text/css">
            .box{
                width: 100px;
                height: 100px;
                background-color: gold;
                /*在哪产生动画、动画的时间、运动曲线、延迟*/
                /*transition: border-radius 500ms ease,width 500ms ease 500ms,height 500ms ease 1s,background-color 500ms ease 1.5s;*/
                transition: all 500ms ease;
            }
            .box:hover{
                width: 500px;
                height: 300px;
                background-color: red;
                border-radius: 50px;
            }
        </style>
    </head>
    <body>
        <div class="box"></div>
    </body>
    </html>
    

    css3圆角、阴影、透明度

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>css3圆角 阴影 透明度</title>
        <style type="text/css">
            .box{
                width: 200px;
                height: 200px;
                border: 2px solid #000;
                background-color: gold;
                margin: 50px auto 0;
                /*border-top-left-radius: 100px 50px;左上角为椭圆圆角*/
                /*border-top-left-radius: 100px;
                border-top-right-radius: 100px;左、右上角为正圆圆角*/
                /*border-radius: 40px;曲率半径为40的圆角矩形*/
                /*border-radius: 20%;最大200px,20%即40px*/
                border-radius: 50%;/*正圆*/
            }
            .box1{
                width: 200px;
                height: 40px;
                background-color: gold;
                margin: 100px auto 0;
                /*水平偏移 垂直偏移 羽化大小 扩展大小 颜色*/
                box-shadow: 10px 10px 10px 0px #bfa;
            }
            .box2{
                width: 200px;
                height: 40px;
                background-color: gold;
                margin: 100px auto 0;
                /*水平偏移 垂直偏移 羽化大小 扩展大小 颜色 是否内阴影*/
                box-shadow: 0px 0px 20px 2px red inset;
            }
    
            body{
                background-color: cyan;
            }
            .box3{
                width: 200px;
                height: 200px;
                /*background: url(images/location_bg.jpg);*/
                background-color: gold;
                margin: 50px auto 0;
                border: 2px solid #000;
                border-radius: 50%;
                /*透明度30%,文字也透明了*/
                opacity: 0.3;
                filter: alpha(opacity=30);/*兼容IE*/
                text-align: center;
                line-height: 200px;
            }
            .box4{
                width: 200px;
                height: 200px;
                /*背景色变透明,但文字不会透明*/
                background-color: rgba(255,215,0,0.3);
                margin: 50px auto 0;
                /*边框透明*/
                border: 2px solid rgba(0,0,0,0.3);
                border-radius: 50%;
                text-align: center;
                line-height: 200px;
            }
        </style>
    </head>
    <body>
        <div class="box"></div>
        <div class="box1"></div>
        <div class="box2"></div>
        <div class="box3">床前明月光</div>
        <div class="box4">床前明月光</div>
    </body>
    </html>
    

    运动曲线

    !DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>运动曲线</title>
        <style type="text/css">
            div{
                width: 50px;
                height: 50px;
                background-color: gold;
                margin-bottom: 20px;
            }
            div:nth-child(1){
                /*匀速*/
                transition: all 1s linear;
            }
            div:nth-child(2){
                /*开始和结束慢速,中间加速*/
                transition: all 1s ease;
            }
            div:nth-child(3){
                /*开始慢速,结尾突然停止*/
                transition: all 1s ease-in;
            }
            div:nth-child(4){
                /*突然开始,结束时慢速*/
                transition: all 1s ease-out;
            }
            div:nth-child(5){
                /*开始和结束时慢速*/
                transition: all 1s ease-in-out;
            }
            div:nth-child(6){
                /*贝塞尔(贝兹)曲线*/
                /*transition: all 1s cubic-bezier(0.250,0.250,0.750,0.750);匀速*/
                /*超出再缩回的弹性效果*/
                transition: all 1s cubic-bezier(0.470, -0.485, 0.460, 1.435);
            }
            div:hover{
                width: 1000px;
            }
        </style>
    </head>
    

    图片文字遮罩

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>图片文字遮罩</title>
        <style type="text/css">
            .box{
                width: 200px;
                height: 300px;
                margin: 50px auto 0;
                border: 1px solid #000;
                position: relative;
                /*默认文字不可见*/
                overflow: hidden;
            }
            .box img{
                width: 200px;
                height: 300px;
            }
            .box .pic_info{
                width: 200px;
                height: 200px;
                background-color: rgba(0,0,0,0.5);
                color: #fff;
    
                /*定位使色块在图片正下方*/
                position: absolute;
                left: 0;
                top: 300px;
    
                transition: all 500ms cubic-bezier(0.470, -0.485, 0.460, 1.435);
            }
            .box:hover .pic_info{
                /*色块上移*/
                top:150px;
            }
            /*间距用p标签的margin,而不直接给.pic_info用padding,因为padding会改变盒子大小*/
            .box .pic_info p{
                margin: 20px;
                line-height: 30px;
            }
        </style>
    </head>
    

    变形

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>变形</title>
        <style type="text/css">
            .box,.box2,.box3,.box4{
                width: 200px;
                height: 200px;
                background-color: gold;
                margin: 50px auto 0;
                transition: all 1s ease;
            }
            .box:hover{
                /*box的动画不会影响到box2*/
                /*位移*/
                transform: translate(50px,50px);
            }
            .box2:hover{
                /*沿Z轴旋转360度*/
                transform: rotate(360deg);
            }
            .box3:hover{
                /*缩放*/
                transform: scale(0.5,0.2);
            }
            .box4:hover{
                /*斜切*/
                /*transform: skew(45deg,0);*/
                transform: skew(0,45deg);
            }
        </style>
    </head>
    <body>
        <div class="box"></div>
        <div class="box2"></div>
        <div class="box3"></div>
        <div class="box4"></div>
    </body>
    </html>
    

    元素旋转

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>元素旋转</title>
        <style type="text/css">
            /*旋转方向判断
            1、X轴向右、Y轴向下、Z轴向屏幕外
            2、让轴向对着自己,顺时针方向就是该轴向的旋转方向*/
            .box{
                width: 300px;
                height: 300px;
                background-color: gold;
                margin: 50px auto 0;
                transition: all 500ms ease;
                /*设置盒子按3D空间显示*/
                transform-style: preserve-3d;
                transform: perspective(800px) rotateY(0deg);
            }
            .box:hover{
                /*默认沿Z轴旋转*/
                /*transform: rotate(45deg);*/
                /*perspective设置透视距离,经验数值800比较符合人眼的透视效果*/
                /*transform: perspective(800px) rotateX(45deg);*/
                transform: perspective(800px) rotateY(-45deg);
            }
        </style>
    </head>
    <body>
        <div class="box"></div>
    </body>
    </html>
    

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