<style type="text/css">

*{
    margin: 0;
    padding: 0;
}

body{
    background-size: cover;
    background-repeat:no-repeat;
    background-position:top; 
    background-attachment:fixed;
}

h1{
    text-align: center;
    font-family: serif;
    color: white;
}

#login-form{
    width: 20%;
    height: 50%;
    background: rgba(0, 134, 5, 0.5);
    padding: 80px 40px;
    border-radius: 20px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

#nutzer{
    margin: 30px 0;
    text-align: center;
    line-height: 30px; 
}

#username{
    line-height: 40px;
    text-align: center;
    border-radius: 10px;
    border: none;
    height: 60px;
    width: 64.8%;
    border-bottom: 10px;
}

#pass{
    margin: 30px 0;
    text-align: center;
    line-height: 30px;
}

#password{
    line-height: 40px;
    text-align: center;
    border-radius: 10px;
    border: none;
    width: 64.8%;
    height: 60px;
}

#login{
    margin: 30px 0;
    text-align: center;
    line-height: 30px;
}

#click{
    line-height: 40px;
    text-align: center;
    border-radius: 10px;
    border: none;
    width: 64.8%;
    height: 60px;
    background-color: rgb(0, 134, 5);
}

</style)