body{
    background-color: aqua;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
div{
    display: flex;
    justify-content: center;
    padding: 5px;
}
div input{
    display: flex;
    padding: 10px;
}
input {
    background-color: rgb(46, 238, 238);
    border: none;
    border: 1px solid  rgb(12, 170, 170);
    border-radius: 5px;
}
a{
    text-decoration: none;
    color: green;
}
#registerBtn{
    padding: 10px;
    color: blue;
    background-color:greenyellow;
}
.hide{
    display: none;
}