html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}
.size{
  margin: 0px auto;
  position: relative;
  max-width: 100%;
}

.imgg{
  display: block;
  width: 100%;
}

.position{
  position: relative;
}
.Btn1{
  position: absolute;
  width: 14.5%;
  height: 14.2%;
  top: 7.3%;
  left: 54.8%;
}
.Btn2{
  position: absolute;
  width: 14.5%;
  height: 13.8%;
  top: 23.5%;
  left: 54.8%;
}
.Btn3{
  position: absolute;
  width: 14.5%;
  height: 36.5%;
  top: 40.5%;
  left: 54.8%;
}
.button{
  display: flex;
  flex-direction: column;
  position: fixed;
  z-index: 10;
  bottom: 30px;
  right: 30px;
}

.button a > img{
  width: 250px;
} 

/* 모바일 */
.size1{
margin: 0px auto;
width: 880px;
position: relative;
max-width: 100%;
display: none;
}

.imgg1{
display: block;
width: 100%;
}

/* 카운트다운 */
.countdown-box{
  width: calc(250px - 20px);
  margin-bottom: 15px;
  z-index: 1;
  padding: 10px;
  text-align: center;
  font-size: 15px;
  text-shadow: -2px 2px black;
  background-image: url(./src/back.png);
  background-repeat: no-repeat;
  background-size: cover;
  animation: moveBox 2s infinite alternate;
}
@keyframes moveBox {
  0% {
    transform: scale(1);
}
50% {
    transform: scale(1.1);
}
100% {
    transform: scale(1);
}
}
#countdown-text{
  color: white;
  font-size: 30px;
  font-weight: bold;
}
#countdown{
  color: #f6ffc7;
  font-size: 25px;
  font-weight: bold;
}

@media only screen and (max-width: 600px) {
  .size {
    display: none;
  }

  .size1{
    margin: 0px auto;
    width: 880px;
    position: relative;
    max-width: 100%;
    display: block;
  }

  .button a > img{
    width: 100px;
  } 
  .Btn1{
    position: absolute;
    width: 31.5%;
    height: 14%;
    top: 5.3%;
    left: 60.2%;
  }
  .Btn2{
    position: absolute;
    width: 31.5%;
    height: 12.5%;
    top: 22.5%;
    left: 60.2%;
  }
  .Btn3{
    position: absolute;
    width: 31.5%;
    height: 35.5%;
    top: 38.2%;
    left: 60.2%;
  }

  .countdown-box{
    width: calc(100px - 20px);
    margin-bottom: 5px;
    font-size: 15px;
    text-shadow: -1px 1px black;
  }
  #countdown-text{
    color: white;
    font-size: 10px;
    font-weight: bold;
  }
  #countdown{
    color: #f6ffc7;
    font-size: 8px;
    font-weight: bold;
  }
}