@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");
* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}

nav,
ul {
  list-style: none;
}

a {
  text-decoration: none;
}

body {
  background-color: rgb(229, 227, 227);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
#big_screen {
  background-color: #fff;
}

._container {
  padding: 2rem 2rem;
  font-family: "Poppins", sans-serif;
  color: #333;
  width: 800px;
  height: 700px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
._container > h1 {
  font-size: 50px;
  font-weight: 400;
  margin-bottom: 1rem;
  text-align: center;
}
._container > p {
  line-height: 30px;
  font-weight: 300;
  text-align: center;
}

._container ul {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
  grid-gap: 1rem;
  margin-top: 4rem;
  width: 100%;
}
._container ul > li {
  height: 130px;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  border-radius: 10px;
}
._container ul > li.red {
  background-color: #ff0000;
}
._container ul > li.blue {
  background-color: #0000ff;
}
._container ul > li.white {
  background-color: #fff;
}
._container ul > li.black {
  background-color: #000;
}
._container ul > li.green {
  background-color: #00ff00;
}

._container .button_wrapper {
  display: flex;
  justify-content: center;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: 5rem;
}
._container .button_wrapper p {
  margin-bottom: 2rem;
  font-weight: 600;
}
._container .button_wrapper button {
  background: linear-gradient(to right, #9940f1, #752df9);
  border-radius: 10px;
  color: #fff;
  border: none;
  cursor: pointer;
  outline: none;
  height: 50px;
  font-family: "Poppins", sans-serif;
  font-size: 16px;
  width: 200px;
}

._container .adsens {
  background-color: #4472c4;
  width: 100%;
  height: 300px;
  margin-top: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
._container .adsens h1 {
  font-weight: 300;
  font-size: 20px;
}
@media screen and (max-width: 850px) {
  body {
    background-color: #fff;
  }
  ._container {
    width: 100%;
    height: unset;
    border-radius: 0px;
  }
}
@media screen and (max-width: 650px) {
  ._container ul {
    grid-gap: 1rem;
    grid-template-columns: 1fr 1fr;
  }
  ._container ul > li {
    height: 100px;
  }
  ._container > h1 {
    font-size: 30px;
  }
  ._container > p {
    font-size: 14px;
  }
}
@media screen and (max-width: 450px) {
  ._container {
    padding: 2rem 1rem;
  }
  ._container > h1 {
    font-size: 20px;
  }
  ._container > p {
    font-size: 12px;
    line-height: 20px;
  }
}