@media only screen and (max-width: 640px) {
    #navs a{
		background-size:28% auto;
	}
}

.arcbody table, .arcbody table tr, .arcbody table tr th, .arcbody table tr td {
    border-color: #fe9597;
    border-collapse: collapse;
    border: 1px solid #fe9597;
}
.arcbody table tr {
    color: #888;
}
.arcbody table tr:nth-child(1) {
    background: #fe9597;
    color: #fff;
}