upd_style.css

body{
    background-image:url("https://bit.ly/2K4gpkG");
    background-position: unset;
    background-repeat: no-repeat;
    background-size: cover;
}
.login_form{
    box-shadow: 0 0 10px 0 rgba(83, 57, 235, 0.562);
    background: rgb(232, 238, 148);
    width: 400px;
    margin: 20px auto;
}
h1{
    color:black;
    background-color: rgb(241, 87, 190);
    padding: 5px;
}
form{
    margin:20px auto;
    width: 200px;
}
input{
    padding:8px;
    font-size: inherit;
}
input[type="text"]{
    display: block;
    margin:2px;
    width:100%;
    border: 1px solid black;
}

input[type="password"]{
    display: block;
    margin:2px;
    width:100%;
    border: 1px solid black;
}
input[type="Email"]{
    display: block;
    margin:2px;
    width:100%;
    border: 1px solid black;
}
input[type="submit"]{
    display: block;
    margin: 2px;
    float: center;
    width: 50%;
    background: rgba(9, 156, 214, 0.705);
    color: rgb(209, 12, 12);
    
}
h2{
    text-align: center;
}
h4{
    text-align: center;
    color: rgb(190, 18, 18);
    font-size: 120%;
}
#lg{
    text-align: right;
    }
button{
    background-color: rgba(8, 167, 61, 0.623);
    height: 50px;
    width: 150px;
}
select{
    width: 100px;
    padding: 16px 20px;
    border: none;
    border-radius: 4px;
    background-color: #f1f1f1;
}