.tx{
    border-radius: 15px;
}
.form-siginin{
    margin: 150px auto;
}
.form-control{
    width: 30%;
    margin: 1px auto;
}
.btn-block{
    width: 20%;
    margin: 0px auto;
}
.pp{
    position: relative;
}
.bg{
    position:fixed;
    top: 0;
    left: 0;
    width:100%;
    height:100%;
    min-width: 1000px;
    z-index:-10;
    zoom: 1;
    background: url("../sources/3.jpg") no-repeat;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;
}
.bg-blur{
    width: 100%;
    -webkit-filter: blur(15px);
    -moz-filter: blur(15px);
    -o-filter: blur(15px);
    -ms-filter: blur(15px);
    filter: blur(15px);
}
.content{
    position: absolute;
    width: 100%;
    top: 0px;
    left: 0px;
}
.btn-link{
    margin-top: -18px;
    margin-bottom: 10px;
}