.inp {
	border: 0;
	outline: 0;
	background: transparent;
	border-bottom: 1px solid #1890ff;
	width: 100%;
}
[placeholder]:focus::-webkit-input-placeholder {
    transition: text-indent 0.4s 0.4s ease; 
    text-indent: -100%;
    opacity: 1;
 }