.dbg{
    position: absolute;
    background: url(../images/sfa.jpg) no-repeat center;
    background-size: cover;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    text-align: center;
}
.main{
    display: inline-block;
    margin-top: 10%;
    text-align: left;
}
.dbg .tt{
    margin-bottom: 25px;
}
.dbg .kk{
    width: 441px;
    height: 138px;
    background: url(../images/k.png);
    overflow: hidden;
    position: relative;
}

.dbg .kk .user{
    margin-top: 28px;
    margin-left: 22px;
}
.dbg .kk .user p{
    margin-bottom: 25px;
}
.dbg .kk .user p span{
    width: 60px;
    text-align: right;
    color: #fff;
    margin-right: 10px;
}
.dbg .kk .user p input{
    border: none;
    border-radius: 2px;
    height: 25px;
    text-indent: 10px;
    font-size: 14px;
    width: 160px;
}
.dbg .kk .log{
    position: absolute;
    right: 21px;
    top: 27px;
    width: 105px;
}
.dbg .kk .log input{
    width: 105px;
    height: 31px;
    background: url(../images/b_1.png);
    border: none;
    line-height: 31px;
    color: #fff;
    letter-spacing: 3px;
    font-size: 14px;
}
.dbg .kk .log input:last-child{
    background: url(../images/b_2.png);
    margin-top: 15px;
}
.dbg footer{
    width: 100%;
    text-align: center;
    color: #eee;
    font-size: 14px;
    margin-top: 20px;
}
.dbg footer a{
    color: #fff;
    text-decoration: underline;
}