*{
    margin: 0;
    padding : 0;
    font-family: 'poppins',sans-serif;
    box-sizing:border-box;
}
.container{
    width: 100%;
    height: 100vh;
    background-image:linear-gradient(rgba(0,0,0,0.7),#3551b5), url(contact.jpg);
    background-position: center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}
form{
    width: 90%;
    max-width: 600px;
}
.input-group{
    margin-bottom: 30px;
    position: relative;
}
input,textarea{
    width:100%;
    padding: 10px;
    outine: 0;
    border : 1px solid #fff;
    color: #fff;
    background:transparent;
    font-size: 15px;
}
label{
    height: 100%;
    position:absolute;
    left :0;
    top :0;
    padding:10px;
    color: #fff;
    cursor: text;
    transition: 0.2s;
}
button{
    width: 100%;
    padding: 10px 0;
    outine: none;
    border : 1px solid #fff;
    color: #fff;
    background:transparent;
    font-size: 15px;
    cursor: pointer;
}
input:focus~label,input:valid~label,textarea:focus~label,textarea:valid~label{
    top:-35px;
    font-size: 14px;
}