#contact-form {
            margin: auto;
            width: 400px;
            max-width: 100%;
        }
        
        #contact-form legend {
            font-size: 24px;
        }
        
        #contact-form em {
            color: red;
        }
      
        #contact-form .item {
            position: relative;
            margin: 28px 0;
        }
        
        #contact-form input, #contact-form textarea {
            padding: 10px 35px;
            width: 100%;
            font-size: 20px;
            background: #efefef;
            border: none;
            box-sizing: border-box;
        }
        
        #contact-form label {
            opacity: 0.3;
            position: absolute;
            bottom: 0px;
            left: 5px;
            transition: 1s all;
            font-size: 20px;
            line-height: 40px;
        }
        
        #contact-form input:focus, #contact-form textarea:focus {
            border: 1px solid #666;
        }
        
        #contact-form input:focus + label, #contact-form input:valid + label {
            bottom: 40px;
            font-size: 16px;
            opacity: 0.7;
        }
        
        #contact-form input:valid {
            background-image: url('https://cdn0.iconfinder.com/data/icons/small-n-flat/24/678134-sign-check-128.png');
            background-repeat: no-repeat;
            background-size: 25px;
            background-position: 1% 50%;
            border: 2px solid #16FF84;
        }
        
        #contact-form textarea + label {
            top: 0;
        }
        
        #contact-form textarea:focus + label, #contact-form textarea:valid + label {
            top: -32px;
            font-size: 16px;
            opacity: 0.7;
        }
        
        #contact-form textarea:valid {
            border: 2px solid #16FF84;
        }
        
        #contact-form input[type="submit"] {
            border: none;
            background-image: none;
            background-color: #228822;
            color: #fff;
        }
        
        #contact-form input[type="submit"]:hover {
            cursor: pointer;
            background-color: #226622;
        }