style.css

*{
    margin: 0px;
    padding: 0px;
}
body{
    background-image:url(/img/FondoRoshka.jpg);
    background-size:cover;
    background-position: center;
    background-repeat:no-repeat;
    background-attachment: fixed;
    /* overflow: hidden; */
    height:100%;width:100%; 
    align-items:"middle";
    position: absolute;
}

#form{max-width:333px;
    width:90%;position:relative;
    left:50%;
    top:10%;padding:40px;
    border-radius:4px;
    transform:translate(-50%,10%);
    color:#fff;
    box-shadow:3px 3px 4px rgba(0,0,0,.2)}
#head{text-align:center}
#image{margin:auto;width:50%;
    padding:10px;max-height:175px;
    max-width:175px}
/*#linkas{display:block;
    text-align:center;
    font-size:12px;
    opacity:.9;
    text-decoration:none}
#butonas{background:#70b2d0;
    outline:0;
    text-shadow:initial}
#formum,#formum2{background:0 0;
    border:none;
    border-bottom:1px solid #434a52;
    border-radius:0;
    box-shadow:none;
    outline:0;
    color:inherit} */