form{
    width:90vw;
    max-width:768px;
    border:1px solid #ddd;
    padding:3vw;
    display:flex;
    flex-direction:column;
    border-radius:5px;
}

label{
    margin-bottom:15px;
    position:relative;
    border-bottom:1px solid #ddd;
}
input{
    width:100%;
    padding:10px 0px;
    margin-top:20px;
    border:none;
    outline:none;
}
input::placeholder{
    opacity:0;
}