body {
        padding: 0;
        margin: 0;
        font-family: arial, verdana, sans-serif;
        font-size: 12px;
        background: #ddd;
    }
h1{
    width: 100%;
    height: 40px;
    background: #000;
    text-align: center;
    color: #fff;
    line-height: 40px;
    margin-top:0;
    padding: 0;
}
    input, select {
        width: 100%;
        padding: 5px;
        margin: 5px 0;
        border: 1px solid #aaa;
        font-size: 16px;
        box-sizing: border-box;
        border-radius: 5px;
        -moz-box-sizing: border-box;
        -webkit-box-sizing: border-box;
        -webkit-border-radius: 5px;
    }
    option,label{
        font-size: 16px;
    }
    .date_content {
        padding:0 20px;
    } 
    .date_content>div{
        width: 100%;
        height:auto;
        overflow: hidden;
        font-size: 16px;
    }