body{
    
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
    font-family:"Raleway", sans-serif;
    background-color:#627b8a;
}


:root{
    --font-color:#555;
    --font-hover-color:orange;
}

.container{
    width:500px;
    box-shadow: 0 15px 35px rgba(50,50,93,.1),0 5px 15px rgba(0,0,0,.07);
    padding:2em;
    background-color:#fff;
}
.form-group{
    margin-bottom:1.5em;
    transition:all .3s;
}
.form-label{
    font-size:.75em;
    color:var(--font-color);
    display:block;
    opacity:0;
    transition: all .3s;
    transform:translateX(-50px);
}
.form-control{
    box-shadow:none;
    border-radius:0;
    border-color:#ccc;
    border-style:none none solid none;
    width:100%;
    font-size:1.25em;
    transition:all .6s;
}
.form-control::placeholder{
    color:#aaa;
}
.form-control:focus{
    box-shadow:none;
    border-color:var(--font-hover-color);
    outline:none;
}
.form-group:focus-within{
    transform:scale(1.1,1.1);
}

.form-control:invalid:focus{
    border-color:red;
}
.form-control:valid:focus{
    border-color:green;
}

.btn{
    background: 0 0 #fff;
    border:1px solid #aaa;
    border-radius:3px;
    color:var(--font-color);
    font-size:1em;
    padding:10 50px;
    text-transform:uppercase;
}
.btn:hover{
    border-color:var(--font-hover-color);
    color:var(--font-hover-color);
}
textarea{
    resize:none;
}



.focused > .form-label{
    opacity:1;
    transform:translateX(0px);

}