404 Page CSS in Genesis Framework

style.css

/* # 404 NOT FOUND page
---------------------------------------------------------------------------------------------------- */
.not-found .content, .not-found .content .entry {
    background: transparent;
    border-color: transparent;
}

.not-found .content {
    margin: 7% auto 0;
}

.not-found .content .entry-title {
    font-size: 55px;
    font-weight: 100;
    margin-bottom: 30px;
}

.not-found .enews-widget input[type=text], .not-found .enews-widget input[type=email] {
    padding: 10px 20px;
    background: #fff;
}

.not-found .enews-widget input {
    width: 100%;
    max-width: 33%;
    border-color: #DFDFDF;
}

.not-found .enews-widget input[type="submit"] {
    background-color: #4872cb;
}

@media only screen and ( max-width: 700px ) and ( min-width: 320px ) {
	.not-found .enews-widget input {
		max-width: 100%;
		width: 100% !important;
		margin: 5px 0 !important;
	}
}