css3鼠标滑过动画

CSS3教程手机阅读

本实例共有五个鼠标滑过的动画效果，但其实原理都是差不多。第一个是多加了一个空白的标签，来显示那个遮罩的三角形；第二，三，四都是对却是用border来生成的遮罩，至于第五个效果就比较复杂，不过原理都是一样的，实际应用也不需要那么复杂。所以只需把前面四个简单的学会了，第五个就当做欣赏吧，扩大自己的视野，以后举一反三的机会多的是。说到底，transition的动画变换来变换去，都是那么几个属性，关键在于对基本属性的把握及对动画效果的设计，多看点效果积累点，以后也可以做到得心应手。

.view {
width: 300px;
height: 200px;
margin: 10px;
float: left;
border: 5px solid #fff;
overflow: hidden;
position: relative;
text-align: center;
box-shadow: 0px 0px 5px #aaa;
cursor: default;
}
.view .mask, .view .content {
width: 300px;
height: 200px;
position: absolute;
overflow: hidden;
top: 0;
left: 0;
}
.view img {
display: block;
position: relative;
}
.view a.info {
background:url(../img/link.png) center no-repeat;
display: inline-block;
text-decoration: none;
padding:0;
text-indent:-9999px;
width:20px;
height:20px;
}

/*demo1*/
.effect img {
opacity:1;
transform:scale(1,1);
transition: all 0.2s ease-in;
}
.effect .mask {
opacity:0;
overflow:visible;
border-color:rgba(0,0,0,0.7) transparent transparent transparent;
border-style:solid;
border-width:150px;
width:0;
height:0;
transform:translateY(-125px);
transition: transform 0.2s 0.1s ease-out, opacity 0.3s ease-in-out;
}
.effect a.info {
opacity:0;
transform:translateY(-125px);
transition: transform 0.3s ease-in, opacity 0.1s ease-in-out;
}
.effect:hover img {
opacity:0.7;
transform:scale(2,2);
}
.effect:hover .mask {
opacity: 1;
transform: translateY(0px);
}
.effect:hover a.info {
opacity:1;
transform:translateY(100px);
}
/*demo2*/
.second-effect .mask {
opacity: 0;
overflow:visible;
border:0px solid rgba(0,0,0,0.7);
box-sizing:border-box;
transition: all 0.4s ease-in-out;
}
.second-effect a.info {
position:relative;
top:-10px;
opacity:0;
transform:scale(0,0);
transition: transform 0.2s 0.1s ease-in, opacity 0.1s ease-in-out;
}
.second-effect:hover .mask {
opacity: 1;
border:100px solid rgba(0,0,0,0.7);
}
.second-effect:hover a.info {
opacity:1;
transform:scale(1,1);
transition-delay:0.3s;
}
/*demo3*/
.third-effect .mask {
opacity: 0;
overflow:visible;
border:100px solid rgba(0,0,0,0.7);
box-sizing:border-box;
transition: all 0.4s ease-in-out;
}
.third-effect a.info {
position:relative;
top:-10px; /* Center the link */
opacity: 0;
transition: opacity 0.5s 0s ease-in-out;
}
.third-effect:hover .mask {
opacity: 1;
border:100px solid rgba(0,0,0,0.7);
}
.third-effect:hover a.info {
opacity:1;
transition-delay: 0.3s;
}
/*demo4*/
.fourth-effect .mask {
position:absolute; /* Center the mask */
top:50px;
left:100px;
cursor:pointer;
border-radius: 50px;
border-width: 50px;
display: inline-block;
height: 100px;
width: 100px;
border: 50px solid rgba(0, 0, 0, 0.7);
box-sizing:border-box;
opacity:1;
visibility:visible;
transform:scale(4);
transition:all 0.3s ease-in-out;
}
.fourth-effect:hover .mask {
opacity: 0;
border:0px solid rgba(0,0,0,0.7);
visibility:hidden;
}
/*demo5*/
.fifth-effect img {
opacity:0.2;
transition: all 0.3s ease-in;
}
.fifth-effect .mask {
cursor:pointer;
opacity:1;
visibility:visible;
border:100px solid rgba(0,0,0,0.7);
box-sizing:border-box;
transition: all 0.4s cubic-bezier(0.940, 0.850, 0.100, 0.620);
}
.fifth-effect:hover .mask {
border:0px double rgba(0,0,0,0.7);
opacity:0;
visibility:hidden;
}
.fifth-effect:hover img {
opacity:1;
}