* {
    padding: 0;
    margin: 0;
}

.top {
    position: fixed;
    width: 100%;
    height: 100%;
}

    .top img {
        width: 100%;
        height: 100%;
    }

.box {
    position: absolute;
    top: 50%;
    left: 68%;
    display: block;
    width: 330px;
    height: 290px;
    padding: 20px 20px 20px 40px;
    background: rgba(255,255,255,0.5);
    border-radius: 10px;
    margin-top:-185px;
}

.content {
    width: 330px;
    height: 290px;
}

.content .item {
    line-height: 60px;
    color: #222;
    font-size: 20px;
}
    .content .title{
        line-height:60px;
        font-size:20px;
        color:#222;
    }
    .content .item input {
        font-size: 16px;
        width: 220px;
        height: 35px;
        line-height: 35px;
        border-radius: 5px;
        border: solid 1px #808080;
        text-indent: 10px;
    }
    .content #login {
        display: block;
        background-color: #0065ac;
        width: 220px;
        height: 35px;
        line-height: 35px;
        text-align: center;
        color: #fff;
        border-radius: 5px;
        margin-top: 5px;
        float: left;
        font-size: 18px;
        cursor: pointer;
        font-weight: normal;
    }