css图片的一些方法
2018-08-15 本文已影响0人
你猜_e00d
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>
