::-webkit-input-placeholder {/*Chrome/Safari*/
font-family: 'Avenir', Helvetica, Arial, sans-serif;
}
::-moz-placeholder {/*Firefox*/
font-family: 'Avenir', Helvetica, Arial, sans-serif;
}
::-ms-input-placeholder {/*IE*/
font-family: 'Avenir', Helvetica, Arial, sans-serif;
}