body {
  margin: 0;
  padding: 0;
  background: url(https://media.istockphoto.com/id/1408445036/photo/programming-web-pages-with-html-and-css-code-on-a-desktop-computer.webp?b=1&s=170667a&w=0&k=20&c=8bzVsHnZpYnd11a97dRNSgGuuzXMP3qA5zqTGB7j97c=);
  /* background-size:cover; */
  background-size:cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-direction: column;
  /* height:0vh; */
}
/* --------container 5 btn5----------------- */
.container5 {
  
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: sans-serif;
  margin-top: 20px;
  position: relative;
  margin-left: auto;
  margin-right: auto;
  padding: 1.5rem;
  width: 40%;

}
.container5 a {
  font-weight: bold;
  position: absolute;
  text-decoration: none;
  text-transform: uppercase;
  padding: 1rem 4rem;
  background: #fff;
  color: #000;
  border-radius: 100px;
  font-size: 1.5rem;
  transition: all 0.2s;
}

.container5 a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 100px;
  transition: all 1s;
  z-index: -1;
}

.container5 a:hover:before
{
  transform: scaleX(1.4) scaleY(1.6);
  opacity: 0;
}
.container5 a:hover{
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}
.container5 a:active {
  transform: translateY(-1px);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}



/* --------container 4 btn4----------------- */
.container4 {
  margin-top: 20px;
  position: relative;
  margin-left: auto;
  margin-right: auto;
  padding: 1.5rem;
  width: 40%;
}

.btn {
  border: none;
  padding: 1rem 4rem;
  background: rgba(38, 0, 255, 0.824);
  color: #fff;
  font-size: 1.5em;
  text-transform: uppercase;
  position: relative;
  cursor: pointer;
  font-weight: bold;
}

.btn:before {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  top: -10px;
  left: -10px;
  /* background: teal; */
  border-top: 4px solid rgb(251, 251, 255);
  border-left: 4px solid rgb(22, 22, 227);
  transition: all 0.25s;
}

.btn:hover:before,
.btn:hover:after {
  height: 100%;
  width: 100%;
}

.btn:after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  bottom: -10px;
  right: -10px;
  border-bottom: 4px solid rgb(233, 233, 238);
  border-right: 4px solid rgb(21, 21, 240);
  transition: all 0.25s;
}


/* --------container 3 btn3----------------- */
.container3 {
  margin-top: 20px;
  position: relative;
  margin-left: auto;
  margin-right: auto;
 box-shadow: 2px 4px 20px violet;
 
 
  padding: 1.5rem;
  width: 40%;
}
.container3 a {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  text-decoration: none;
  background: transparent;
  text-align: center;
  line-height: 60px;
  font-weight: bold;
  letter-spacing: 2px;
  position: relative;
  transition: all 0.2s;
  color: #fff;
  font-weight: bold;
}

.container3 a:before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  width: 100%;
  height: 100%;
  background: rgb(10, 235, 10);
  z-index: -1;
  mix-blend-mode: multiply;
  transition: all 0.2s;
  transform-origin: top;
}
.container3 a:after{
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 100%;
  height: 100%;
  background:orangered;
  z-index: -1;
  mix-blend-mode: multiply;
  transition: all 0.2s;
  transform-origin: bottom;
}
.container3 a:hover:before {
  font-size: 0.9em;
  top: -6px;
  left: 0;
  transform: perspective(1000px) rotateX(75deg);
}
.container3 a:hover:after {
  top: 6px;
  left: 0;
  transform: perspective(1000px) rotateX(-75deg);
}
.container3 a:hover{
  color:#000;
}

/* --------container 2 btn2----------------- */
.container2 {
  margin-top: 20px;
  position: relative;
  margin-left: auto;
  margin-right: auto;

  border: 5px solid white;
  box-shadow: 2px 4px 20px violet;
  padding: 1.5rem;
  width: 40%;
  background: blueviolet;
}
.container2 a {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  text-decoration: none;
  color: white;
  font-weight: bold;
  font-family: sans-serif;
}

.container2 a::before {
  content: "BUTTON";
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: crimson;
  /* center */
  display: flex;
  justify-content: center;
  align-items: center;
  transform: rotateX(270deg);
  transform-origin: top;
  transition: all 0.5s;
}
.container2 a::after {
  content: "BUTTON";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgb(14, 231, 14);
  display: flex;
  justify-content: center;
  align-items: center;
  transform: rotateX(270deg);
  transform-origin: top;
  transition: all 0.5s;
  transition-delay: 0.25s;
}
.container2 a:hover:before,
.container2 a:hover:after {
  font-size: 0.9em;
  transform: rotateX(0);
}

/* --------container 1 btn1----------------- */
.container1 {
  margin-top: 20px;
  position: relative;
  overflow: hidden;
  margin-left: auto;
  margin-right: auto;
  background: #222;
  border: 5px solid white;
  box-shadow: 2px 4px 20px violet;
  padding: 1.5rem;
  width: 40%;
}
.container1 a {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  text-decoration: none;
  color: white;
  font-weight: bold;
  /* background: rgb(16, 16, 16); */
  font-family: sans-serif;
}

.container1 a:before {
  content: "DOWNLOAD";
  font-weight: bold;
  color: #000;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: antiquewhite;
  transform: translateY(-100%);
  transition: all 1s;
  /* center */
  display: flex;
  justify-content: center;
  align-items: center;
}
.container1 a:hover:before {
  font-size: 0.9em;
  transform: translateY(0);
}

/* @media only screen and (max-width: 600px) {
  .container {
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    width: 80vw;
    height: 60vh;
    background: #222;
    border: 5px solid white;
    box-shadow: 2px 4px 20px violet;
  }
  main{
    overflow-x: hidden;
  }
} */

::-webkit-scrollbar {
  background-color: transparent;
  width: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(0deg, rgb(0, 225, 255) 0%, rgb(15, 227, 29) 100%);
  border-radius: 100px;
}
main {

  overflow: hidden;
  
  box-shadow: 2px 2px 10px rgb(255, 255, 255);
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  gap:15px;
  padding-bottom: 30px;
  
}