CSS tricks

core.css

/*placeholder ellipsis*/
input[placeholder]          {text-overflow:ellipsis;}
input::-moz-placeholder     {text-overflow:ellipsis;} 
input:-moz-placeholder      {text-overflow:ellipsis;} 
input:-ms-input-placeholder {text-overflow:ellipsis;}

/*Hide placeholder in focus*/
:focus::-webkit-input-placeholder {color: transparent}
:focus::-moz-placeholder          {color: transparent}
:focus:-moz-placeholder           {color: transparent}
:focus:-ms-input-placeholder      {color: transparent}


/*Disable select for label*/
label {
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
}