*{
    border: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    height: auto;
    background-image: linear-gradient(90deg, #151a72 ,#aa00aa);
    display: flex;
    justify-content: center;
    align-items: center;
}
.back i
{
    position: fixed;
    left: 8px;
    top: 5px;
    font-size: large;
    color: #fff;
}
#container{
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(2px);
    border-radius: 50px;
    padding: 40px;
    width: 800px;
}
span{
    font-size: large;
}
input{
    display: block;
    width: 100%;
    padding: 6px 6px;
    border:1px solid #0a0a0a;
    border-radius: 20px;
}
.submit{
    text-align: center;
    width: 40%;
    font-size: larger;
    padding: 6px 5px;
    background-color: rgb(230, 0, 0);
    color: #fff;
    border-radius: 10px;
}
#msg{
    text-align: center;
    font-size: large;
    color: #fff;
    font-family: sans-serif;
}
main
{
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 70px;
}
@media only screen and (max-width: 600px){

    input{
        width: 100%;
    }
    #container
    {
        width: 320px;
    }
}