header {
  margin: 0;
  padding: 0;
  background-color: black;
}
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background-color: teal;
}
.login{
        width: 320px;
        overflow: hidden;
        margin: auto;
        margin: 20 0 0 450px;
        padding: 80px;
        background: #23463f;
        border-radius: 15px ;

}
.hidden {
    visibility: hidden;
    display: none;
  }
h1 {
  color: white;
  text-align: center;
  font-size: 40px;
}
h2{
    text-align: center;
    color: #277582;
    padding: 20px;
}
#login-failed{
    color: red;
    font-family: verdana;
    font-size: 20px;
}
label{
    color: #08ffd1;
    font-size: 17px;
}
#Uname{
    width: 300px;
    height: 30px;
    border: none;
    border-radius: 3px;
    padding-left: 8px;
}
#Pass{
    width: 300px;
    height: 30px;
    border: none;
    border-radius: 3px;
    padding-left: 8px;

}
#log{
    width: 310px;
    height: 30px;
    border: none;
    border-radius: 17px;
    padding-left: 7px;
    color: blue;


}
span{
    color: white;
    font-size: 17px;
}
a{
    float: right;
    background-color: grey;
}