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

.main-img {
  display: block;
  width: 100%;
}

.btn1 {
  position: absolute;
  width: 41%;
  height: 33%;
  top: 30%;
  left: 7%;
}
.btn2 {
  position: absolute;
  width: 41%;
  height: 33%;
  top: 30%;
  left: 53.5%;
}
.btn3 {
  position: absolute;
  width: 27.2%;
  height: 4.3%;
  top: 76.8%;
  left: 66%;
}
.btn4 {
  position: absolute;
  width: 27.2%;
  height: 4.3%;
  top: 81.3%;
  left: 4%;
}
.btn5 {
  position: absolute;
  width: 94.2%;
  height: 1.9%;
  top: 89.4%;
  left: 3%;
}
.btn6 {
  position: absolute;
  width: 94.2%;
  height: 1.9%;
  top: 91.6%;
  left: 3%;
}