*{
    margin:0;
    padding:0;
    list-style-type:none;
}


a,img{
    border:0;
}


html{
	font-size: 8px;
	background: url(../img/dengru.png) no-repeat 100% fixed;
	background-size: cover;
}


.fixed{
    position: fixed;
    top: 50%;left: 50%;
    transform: translate(-50%, -50%);
}


.form-demo{
    position: relative;
    width: 400px;height: 600px;
}


.bt{
    text-align:center;
}


.switch{
    background:rgba(255,192,203,0.4);
    box-shadow:5px 5px 1px rgba(255,192,203,0.5);
    border-radius: 25px;width: 100%;
    height: 140px;position: absolute;
    left: 0;bottom: 0;border-radius: 8px;
    text-align: center;
}


#change:checked+label, #change:not(:checked)+label{
    background:rgba(255,192,203,1);
    border-radius: 25px;color: white;
    width: 280px;
    padding: 8px 0;font-size: 24px;font-weight: 600;
    position: absolute;bottom: 22px;
    left: 50%;
    transform: translate(-50%);border-radius: 8px;
    cursor: pointer;
    text-align: center;
}


.turn{
    width: 100%;
    height: 400px;
    position: absolute;top: 0;
    perspective: 800px;
}


.over{
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: all 2s ease;
}


#change:checked ~ .turn .over{
    transform: rotateY(180deg);
}


.sign{
    transform: rotateY(180deg);
}


.login input:nth-child(-n+3){
    margin: 20px 0;
}


.btn{
    background:rgba(255,192,203,1);
    box-shadow:5px 5px 5px rgba(255,192,203,0.5);
    border: none;width: 280px;
    font-size: 24px;font-weight: 600;
    padding: 6px 0;color: white;
    border-radius: 8px;
    margin-top: 15px;cursor: pointer;
}


h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: inherit;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
}


h1 small, h2 small, h3 small, h4 small, h5 small, h6 small, .h1 small, .h2 small, .h3 small, .h4 small, .h5 small, .h6 small, h1 .small, h2 .small, h3 .small, h4 .small, h5 .small, h6 .small, .h1 .small, .h2 .small, .h3 .small, .h4 .small, .h5 .small, .h6 .small {font-weight: 400;line-height: 1;color: #777777;}h1, .h1, h2, .h2, h3, .h3 {margin-top: 20px;margin-bottom: 10px;}h1 small, .h1 small, h2 small, .h2 small, h3 small, .h3 small, h1 .small, .h1 .small, h2 .small, .h2 .small, h3 .small, .h3 .small {
    
    
    font-size: 65%;
}


h4, .h4, h5, .h5, h6, .h6 {
    margin-top: 10px;
    margin-bottom: 10px;
}


h4 small, .h4 small, h5 small, .h5 small, h6 small, .h6 small, h4 .small, .h4 .small, h5 .small, .h5 .small, h6 .small, .h6 .small {
    font-size: 75%;
}


h1{
    margin-top: 38px;
    transform-style: preserve-3d;
    transform: translate3d(0, 0, 1px);
}


h1, .h1 {
    font-size: 36px;
}


h2, .h2 {
    font-size: 30px;
}


h3, .h3 {
    font-size: 24px;
}


h4, .h4 {
    font-size: 18px;
}


h5, .h5 {
    font-size: 14px;
}


h6, .h6 {
    font-size: 12px;
}


p {
    margin: 0 0 10px;
}


form{
    position: absolute;
    background-color: #FCFBFA;
    height: 100%;border-radius: 8px;
    transform-style: preserve-3d;
    text-align: center;
}


input{
    background-color: #4E495D;
    width: 70%;
    height: 48px;
    border-radius: 8px;
    margin-bottom: 20px;
    padding: 0 16px;
    font-size: 18px;
    color: #c4c3ca;
    font-weight: 500;outline: none;
    border: none;
    box-shadow: 0 4px 8px 0 rgba(78, 73, 79, .5);
    transform-style: preserve-3d;
    transform: translate3d(0, 0, 1px);
}