.ControlFecha
{
    font-size: 16;
    font-family: Arial;
    padding-top: 15x;
	width: 100%;
    height: 120px;
    padding-left: 30%;
    display: inline;
}

input:invalid+span:after {
    content: '✖';
    padding-left: 5px;
}

input:valid+span:after {
    content: '✓';
    padding-left: 5px;
}