.tech { height:460px; padding-top:20px;}
.ca-menu{
    margin: 20px auto;
    width: 1200px;
}
.ca-menu li{
    width: 300px;
    height: 480px;
    border: 10px solid #aad1f3;
    overflow: hidden;
    position: relative;
    float:left;
    background: #fff;
    margin:0 40px;
    -webkit-box-shadow: 1px 1px 2px rgba(0,0,0,0.2);
    -moz-box-shadow: 1px 1px 2px rgba(0,0,0,0.2);
    box-shadow: 1px 1px 2px rgba(0,0,0,0.2);
    -webkit-border-radius: 100px 0;
    -moz-border-radius: 100px 0;
    border-radius: 100px 0;
    -webkit-transition: all 400ms linear;
    -moz-transition: all 400ms linear;
    -o-transition: all 400ms linear;
    -ms-transition: all 400ms linear;
    transition: all 400ms linear;
}
.ca-menu li a{
    text-align: center;
    width: 100%;
    height: 100%;
    display: block;
    color: #333;
    position: relative;
}
.ca-icon{
    position: absolute;
    width: 100%;
    height:120px;
    left: 0px;-moz-opacity:0.5; filter:alpha(opacity=50); opacity:0.5;
    top: 40px;
    text-align: center;
    -webkit-transition: all 400ms linear;
    -moz-transition: all 400ms linear;
    -o-transition: all 400ms linear;
    -ms-transition: all 400ms linear;
    transition: all 400ms linear;
}
.ca-icon img { max-height:100%; width:auto !important; width:100%;transition: width 1s, height 1s;-moz-transition: width 1s, height 1s, -moz-transform 1s;-webkit-transition: width 1s, height 1s, -webkit-transform 1s;-o-transition: width 1s, height 1s, -o-transform 1s; cursor:pointer;}
.ca-main{
    font-size: 14px;
    position: absolute;
    top:220px;
    height: 220px; line-height:22px;
    width: 240px;
    left: 50%;
    margin-left: -120px;
    opacity: 0.8;
    color: #555;
}
.ca-sub{
    display: none;
}
.ca-menu li:hover{
    border-color: #333;
    z-index: 999;
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -o-transform: scale(1.1);
    -ms-transform: scale(1.1);
    transform: scale(1.1);
}
.ca-menu li:hover .ca-icon{
	height:150px;-moz-opacity:1; filter:alpha(opacity=100); opacity:1;
    text-shadow: 0px 0px 1px #000;
    -webkit-animation: moveFromBottom 300ms ease;
    -moz-animation: moveFromBottom 300ms ease;
    -ms-animation: moveFromBottom 300ms ease;}
.ca-menu li:hover .ca-icon:hover img{transform:rotate(-360deg);
-moz-transform:rotate(360deg); /* Firefox 4 */
-webkit-transform:rotate(360deg); /* Safari and Chrome */
-o-transform:rotate(360deg); /* Opera */}
}
.ca-menu li:hover .ca-main{
    color: #000; top:220px;
    -webkit-animation: moveFromBottom 500ms ease;
    -moz-animation: moveFromBottom 500ms ease;
    -ms-animation: moveFromBottom 500ms ease;
}

@-webkit-keyframes moveFromBottom {
    from {
        -webkit-transform: translateY(200%) scale(0.5);
        opacity: 0;
    }
    to {
        -webkit-transform: translateY(0%) scale(1);
        opacity: 1;        
    }
}
@-moz-keyframes moveFromBottom {
    from {
        -moz-transform: translateY(200%) scale(0.5);
        opacity: 0;
    }
    to {
        -moz-transform: translateY(0%) scale(1);
        opacity: 1;        
    }
}
@-ms-keyframes moveFromBottom {
    from {
        -ms-transform: translateY(200%) scale(0.5);
        opacity: 0;
    }
    to {
        -ms-transform: translateY(0%) scale(1);
        opacity: 1;        
    }
}