UI PAGE harshit.css

* {
    box-sizing: border-box;
  }
  body{
    background: black;
    margin: 0px;
}
#back{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 350px;
    padding: 8% 0 0;
    margin: auto;
    
}
#box{
    position: relative;
    display: flex;
    align-items: center;
    margin: 0 auto 100px;
    padding: 45px;
    height: 500px;
    width: 350px;
    background: grey;
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
    flex-direction: column;
}
#form{
    
    top: 50px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size:20px;
    color:white;
}

input{
    width: 250px;
    height: 10px;
    margin: 10px;
    padding: 20px;
    font-size: 20px;
    border: none;
}
button{
    margin-top: 50px;
    height:50px;
    width:100px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size:20px;
    color:rgb(80, 80, 80);
}