html,body {
    height: 100%;
    width:100%
}
.biggest{
    width: 90%;
    height: 90%;
    margin: 0 auto;
}
.top{
    width: 100%;
    height: 60%;
    position: relative;
    background: url(images/USeng/KidConnect/banner_top.png) no-repeat;
    background-size: 100%;
}
.top_right1{ 
    width: 50%;
    height: 50%;
    position:absolute;
    top:10%;
    right:0;
    text-align: center;
    overflow:hidden;
}
.top_right1 span{
    width: 100%;
    height: 30%;
    font-size: 1vw;
    font-weight: bold;
    line-height: 1vh;
}
.span1{
    width: 100%;
    height: 30%;
    font-size: 1vw;
    font-weight: bold;
    line-height: 1vh;
}
.top_right2{
    width: 50%;
    height: 50%;
    position:absolute;
    bottom:0;right:0;
}
.top_right21{
    width: 50%;
    height: 100%;
    float: left;
    position: relative;

}.top_right22{
    width: 50%;
    height: 100%;
    float: left;
    position: relative;
}
.apple{
    width: 60%;
    position:absolute;
    left:0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
}
.goole{
    width: 60%;
    position:absolute;
    left:0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
}
.bottom{
    width: 100%;
    height: 40%;
    margin-top: 0.5%;
    background: rgb(231, 240, 245);
}
.bottom_left{
width: 50%;
height: 100%;
float: left;
}
.bottom_left1{
    width: 50%;
    height: 100%;
    float: left;
}
.bottom_left2{
    width: 50%;
    height: 100%;
    float: left;
    background: url(images/USeng/KidConnect/banner2.png) no-repeat left;
    background-size: 100%;
}
.bottom_right{
    width: 50%;
    height: 100%;
    float: left;
}
.bottom_right1{
    width: 50%;
    height: 100%;
    float: left;
}
.bottom_right2{
    width: 50%;
    height: 100%;
    float: left;
    background: url(images/USeng/KidConnect/banner3.png) no-repeat left;
    background-size: 100%;
}
.Footer{
	text-align: center;
    color: grey;
    font-size: 22px;
}
.Footer a{
    font-size: 14px;
}