@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@500&display=swap');


*{
    padding: 0;
    margin: 0;
    font-family: 'Roboto Slab', serif;
}
body{
    background:url('/images/back2.jpg') no-repeat;
    background-size: cover;
}
.main{
    width: 350px;
    top: 50%;
    left: 50%;
    transform:translate(-50%,-50%);
    position: absolute;
    color: green;
}
.main h1{
    font-size: 40px;
    text-align: center;
    margin: 40px 0;
}
.main label{
    font-size: 20px;
    margin: 15px 0;
}
.main input{
    font-size: 16px;
    width: 100%;
    padding: 15px 10px;
    border: 0;
    outline: none;
    border-radius: 5px;
}

#b1
{
    border:1px solid green;
    padding:10px;
    position: relative;
    top:20px;
    text-decoration: none;
    background-color: aliceblue;
    border-radius: 20px;
    left:21vh;
}