body {
  margin: 0;
  padding: 0;
  background-color: #FF3739;
}

#main {
  height: 100vh;
  width: 100%;
  position: absolute;
  -webkit-clip-path: polygon(0% 0%, 0% 100%, 100% 100%, 100% 0%, 0% 0%);
  clip-path: polygon(0% 0%, 0% 100%, 100% 100%, 100% 0%, 0% 0%);
  overflow: hidden;
  -webkit-transition: all .5s;
  -o-transition: all .5s;
  transition: all .5s; }

#silder {
  width: 300%;
  position: relative;
  left: 0; }
  #silder img {
    width: 33.33%;
    float: left; }

#nxtbtn,
#prvbtn {
  height: 35px;
  width: 35px;
  background-color: white;
  font-size: 25px;
  text-align: center;
  line-height: 35px;
  border-radius: 35px;
  position: fixed;
  top: 85%;
  left: 53%;
  cursor: pointer;
  font-family: monospace; }

#prvbtn {
  left: 47%; }