* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
/*   background-color: #fafae8; */
  background-color: #eff8fb;
}

ul {
  margin: 0;
  padding: 0;
}

header {
  background: url(../img/banner.jpg);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

div#headerButton {
  float: right;
  padding: 1.5em 1.5em;
/*   padding: 10px 0; */
  /* border: 1px solid green; */
}


div#insideHeader {
  width: 90%;
  margin: 0 auto;
  padding-top: 1em;
  
}

div#insideHeader .title {
  margin: 0;
  font-size: 2em;
  font-weight: bold;
  color: white;
}

/* img#logo {
  width: 4.5em;
  vertical-align: middle;
} */

div#container {
  margin: 0 auto;
  width: 90%;
  padding: 3% 2%;
  background-color: #fefffa;
  border: 1px solid lightgray;
  border-radius: 1em;
  box-shadow: 1px 1px gray;
}

footer {
  font-size: 0.8em;
  line-height: 1.2em;
  text-align: center;
  padding: 1em 0;
}


/* PWA */
#toast {
  display: none;
  font-size: 1.2em;
  border-radius: 20px;
  min-width: 250px;
  margin-left: -125px; /* min-width的一半 */
  background-color: rgba(51, 51, 51, 0.9);
  color: #fff;
  text-align: center;
  padding: 16px;
  position: fixed;
  z-index: 999;
  left: 50%; /* 保持在螢幕中間 */
  bottom: 30px;
}

#toast.offline {
  display: block;
  -webkit-animation: fadein 0.5s;
  animation: fadein 0.5s;
}

/* Animations to fade the toast in and out */
@-webkit-keyframes fadein {
    from {bottom: 0; opacity: 0;} 
    to {bottom: 30px; opacity: 1;}
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
}