.head .headtitle .head-right .ipt {

    width: 249px!important;}

.head .headtitle .head-right .ipt input {
 
    padding: 0 38px 0 15px!important;}
.headnav ul li .navxygk li a {
    /* width: 72px; */
    height: auto;
    display: block;
   font-size: 16px!important;
    font-family: MicrosoftYaHei;
    color: #000;
    line-height: 25px;}
.headnav ul li .navxygk {
   height: auto!important;}
.content .contentbox .teach .teachbox ul li {
    height: 38px;}
.content .contentbox .teach .teachbox {

    height: auto;}
.content .contentbox .teach .teachbox ul {

    height: auto;}
.copyright   a{
color: rgba(255, 255, 255, 0.75);
font-weight: 500!important;}