form{
    width: 90%;
    max-width: 600px;
}

.container-form{
    width: 100%;
    min-height: 500px;
    padding: 3% 0;
    display: flex; 
    justify-content: center; 
    align-items: center;


    background-color: rgba(63, 63, 63, 0.4); /* Black w/opacity/see-through */

    border: 3px solid #f1f1f1;
    border-radius: 1rem;
}


.input-group{
    margin-bottom: 30px;
    position: relative;
}

input,textarea{
    width: 100%;
    padding: 10px;
    outline: 0;
    border: 1px solid #fff;
    color: #fff;
    background: transparent;
    font-size: 15px;
}

.lbl_contact{
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    padding: 10px;
    color: #fff;
    cursor: text;
    transition: .2s;
}

.btn_contact{
    padding: 10px 0;
    color: #fff;
    outline: none;
    background: transparent;
    border: 1px solid #fff;
    width: 100%;
    cursor: pointer;
}

input:focus~label,
input:valid~label,
textarea:focus~label,
textarea:valid~label{
    top: -35px;
    font-size: 14px;
}




.phone{
    display: none;
    visibility: hidden;
}