html {
    font-family:"Noto Sans TC","微軟正黑體",sans-serif;
    font-size:24px;
    color:#313d38;
    box-sizing: border-box;
    margin:0;
}
nav{
    text-align: center;
    margin: 0 auto;
    background-color: #313d38;
    padding: 15px 0;
    margin-bottom: 30px;
    color:azure;
    min-height: 60px;
}
nav a{
    color:azure;
    text-decoration: none;
}
.container{
    max-width: 960px;
    margin:0 auto;
    line-height: 1.7;
}
.flex-grid 
{
    display: flex;
    max-width: 960px;
    margin:0 auto;
    text-align: center;
    overflow-wrap: normal;
}
.buyBtn {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 15px 16px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 19px;
    margin: 20px 2px;
    cursor: pointer;
  }
.col {
flex: 1;
}
h1{
    font-size: 240%;
    font-weight: bold;
    text-align: center;
    margin-bottom: 25px;
}
h2{
    font-size: 180%;
    font-weight: bold;
    text-align: center;
    margin-bottom: 25px;
}
img{
    height: 200px;
    width: 250px;
}
footer{
    text-align: center;
    margin: 36px 0;
}
form{
    text-align: center;
}
input{
    margin-bottom: 20px;
}
.clientMenu{
    padding-left:10px;
    position: relative;
    display: block;
    float: left;
}
.thankyouText{
    text-align:center;
    font-size: 140%;
    margin: 80px 0;
}
.staffMenu{
    padding-right:10px;
    position: relative;
    display: block;
    float: right;
}
.order{
    border: black dotted;
    margin: 40px 0;
}
nav ul li {
    position: relative;
    display: block;
    float: left;
    margin: 0px 6px;
  }

/* Responsive layout - makes a one column-layout instead of a two-column layout */
@media (max-width: 960px) {
    .flex-grid {
        display: block;
      }
}