input::-webkit-input-placeholder       {opacity: 1; transition: opacity 0.3s ease;}
input::-moz-placeholder                {opacity: 1; transition: opacity 0.3s ease;}
input:-moz-placeholder                 {opacity: 1; transition: opacity 0.3s ease;}
input:-ms-input-placeholder            {opacity: 1; transition: opacity 0.3s ease;}
input:focus::-webkit-input-placeholder {opacity: 0; transition: opacity 0.3s ease;}
input:focus::-moz-placeholder          {opacity: 0; transition: opacity 0.3s ease;}
input:focus:-moz-placeholder           {opacity: 0; transition: opacity 0.3s ease;}
input:focus:-ms-input-placeholder      {opacity: 0; transition: opacity 0.3s ease;}
textarea::-webkit-input-placeholder       {opacity: 1; transition: opacity 0.3s ease;}
textarea::-moz-placeholder                {opacity: 1; transition: opacity 0.3s ease;}
textarea:-moz-placeholder                 {opacity: 1; transition: opacity 0.3s ease;}
textarea:-ms-input-placeholder            {opacity: 1; transition: opacity 0.3s ease;}
textarea:focus::-webkit-input-placeholder {opacity: 0; transition: opacity 0.3s ease;}
textarea:focus::-moz-placeholder          {opacity: 0; transition: opacity 0.3s ease;}
textarea:focus:-moz-placeholder           {opacity: 0; transition: opacity 0.3s ease;}
textarea:focus:-ms-input-placeholder      {opacity: 0; transition: opacity 0.3s ease;}