a.button:focus, a.button:hover,
button:focus, button:hover,
input[type="file"]:focus, input[type="file"]:hover, input[type="text"]:focus, input[type="text"]:hover, input[type="password"]:focus, input[type="password"]:hover,
input[type="datetime"]:focus, input[type="datetime"]:hover, input[type="submit"]:focus, input[type="submit"]:hover, input[type="button"]:focus, input[type="button"]:hover,
input[type="tel"]:focus, input[type="email"]:focus, input[type="tel"]:hover, input[type="email"]:hover, input.number:focus, input.number:hover,
select:focus, select:hover,
textarea:focus, textarea:hover,
nav ul li ul {
    -webkit-box-shadow: 0px 0px 5px 2px #7ac0da; /*#4398dc rgba(255, 255, 190, .75)*/
    -moz-box-shadow: 0px 0px 5px 2px #7ac0da;
    box-shadow: 0px 0px 5px 2px #7ac0da;
}