效果图：

input {
    width: 225px;
	height: 25px;
    background-color: #1469bd00;
    border: #aca9a97d solid 1px;
    color: white;
    font-size: 15pt;
	box-sizing: conte-box;
}

input:focus {
    border-style: solid;
    border-color: #03a9f4;
    box-shadow: 0 0 15px #03a9f4;
    outline: none;
}