body{
    height: 100vh;
    position: relative;
    padding: 0;
    margin: 0;
}
section {min-height:500px;width: 100%; }
#section1 {
    background-image: url("../image/bk.png");
    min-height:400px; 
    padding-top:40px
}
#section2 {background-color:white;margin-top: 1em;}
#section3 {background-color: white;margin-top: 1em;}
#section4 {background-color: white;margin-top: 1em;}

.cot3{   padding-top: 1.5em;
        text-align:center;
        }

.cot{   padding-top: 1em;
        text-align:center;
        }


.center{
    text-align: center;
}

.navbar { 
    width:100vw; //70% was enough for me 
}

#section1 h1{
    text-align:left;

    color: white;
    padding-left:0.5em;
    padding-top: 0.8em;
    font-family: 'cwTeXYen', sans-serif;
}
#section1 h3{
    text-align:left;
    color: white;
    padding-left:0.8em;
    padding-top: 0.5em;

}

hr.new1 {
    border: 1px solid rgb(173, 158, 125);
    align:center;
    width: 15%;
    
  }

  hr.new2 {
    border: 1px solid black;
    align:center;
    width: 15%;
    
  }

.demo{
    opacity: 1;
}  

.demo:hover{
    opacity: 0.3;
    /* border-radius: 50%; */
}

*{ 
    -webkit-transition:all .2s ease-in-out;
         -moz-transition:all .2s ease-in-out;
           -o-transition:all .2s ease-in-out;
              transition:all .2s ease-in-out;
  }
  /*
    但是全體做動畫有個缺點，當在LOGO裡面做圖的時候，文字隱藏的時候，
    網站剛讀取會有動畫效果!超像bug的所以如果有在LOGO設圖片，要針對LOGO的地方動畫速度歸 0
  */
  /*針對 .navbar 作一些我想要的修正*/
  .navbar-scroll.navbar {
    padding: 10px 0;
    border-radius: 0px;
    margin: 0;
  }
  /*也是針對想要的畫面做修正*/
  .navbar-scroll.navbar-fixed-top{
    padding:0px 0;
  }

  .navbar {
    width:100%;
}



/*-------------------------------------------*/
.box{
  width: 100%;
  height: 100px;
  background-color: rgb(112, 112, 112);
}

#toggler:checked + label .box{
  background-color: cyan;
}

#toggler{
  display: none;
}

.hamburger-container span{
  display: block;
  height: 1px;
  background-color: #fff;
  position: relative;
  transition: transform .3s ease-in-out, top .3s ease-in-out .3s;
  top: 0;
}

.hamburger-container span:nth-child(2){
  margin-top: 7px;
}

#toggler:checked + label .hamburger-container span:nth-child(1){
  transform: rotate(45deg);
  top: 4px;
  transition: top .3s ease-in-out,transform .3s ease-in-out .3s;
}

#toggler:checked + label .hamburger-container span:nth-child(2){
  transform: rotate(-45deg);
  top: -4px;
}

.hamburger-container{
  display: block;
  width: 20px;
  height: 20px;
  position: relative;
  top: 16px;
  
}

header{
  background-color: rgb(104, 102, 102);
  height: 44px;
  padding: 0 18px;
 
}

.nav-items{
  background-color: rgba(0, 0, 0, .82);
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 44px;
  left: 0;
  transform: scaleY(0);
  transition: transform .3s ease-in-out .3s, opacity .3s ease-in-out .3s;
  transform-origin: 50% 0;
  opacity: 0;
  
}

#toggler:checked ~ .nav-items{
  transform: scaleY(1);
  opacity: 1;
  
}

ul{
  margin-top: 1em;
  
}

ul li{
  list-style:none;
}