body {
  font-family: arial, helvetica, sans-serif;
}

* {
    box-sizing: border-box;
}

/* style inputs */
input[type=text], select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    margin-top: 6px;
    margin-bottom: 16px;
    resize: vertical;
}

input[type=submit] {
    background-color: #4caf50;
    color: white;
    padding: 12px 20px;
    border: none;
    cursor: pointer;
}

input[type=submit]:hover {
    background-color: #45a049;
}

/* style the container/contact section */
.con-us {
	width: 1200px;
    border-radius: 5px;
    background-color: #f2f2f2;
    padding: 10px;
	margin: 0 auto;
}

.container{
}

.container .con-us-title{
    flex: 0 0 auto;
    margin-right: 80px;
}

.container .row{
    flex: 1 1 auto;
}

.con-us-title{
    margin-top: 10px;
	text-align: center;
    width: 200px;
}

.con-us-title ul li a{
    display: block;
    padding: 5px 10px 5px 10px;
    font-size: 20px;
    text-align: center;
    border-bottom:1px solid #efefef;
    margin-top: 10px;
    height: 50px;
    line-height: 40px;
    transition: all 0.3s linear;
}

/*.con-us-title a:hover{*/
/*    background-color: #004098;*/
/*    color: #fff;*/
/*}*/
/*.active{*/
/*    background-color: #004098;*/
/*    color: #fff;*/
/*}*/

/* create two columns that float next to eachother */
.column {
    float: left;
    width: 50%;
    margin-top: 6px;
    padding: 20px;
}
#allmap{
	width:100%;
	height:500px;
}

/* clear floats after the columns */
.row:after {
    content: "";
    display: table;
    clear: both;
}

/* 响应式布局 */
@media screen and (max-width: 600px) {
    .column, input[type=submit] {
        width: 100%;
        margin: 0 20px 20px 0;
    }	
	.con-us{
		width: 100%;
	}
	.con-us-title{
		text-align: center;
	}
	#allmap{
		width:100%;
		height:350px;
	}
}