* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, rgb(40, 77, 197), rgb(150, 58, 236))0 0 /100% 100%;
  height: 100vh;
  font-family: sans-serif;
  text-align: center;
}

.container {
  max-width: 1000px;
  margin: auto;
  color: white;
  width: 80%;
}

h1 {
  font-size: 50px;
  line-height: 60px;
  margin: 20px;
}

h4 {
  font-size: 24px;
  font-weight: normal;
  margin-bottom: 30px;
}

progress {
  width: 100%;
  margin-bottom: 100px;
}

button {
  height: 50px;
  color: rgb(74, 74, 243);
  font-size: 20px;
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 30px;
}

#card {
  background-color: white;
  color: black;
  border-radius: 10px;
  width: 70%;
  margin: auto;
  height: 350px;
  margin-bottom: 50px;
  padding: 18px;


h3 {
  font-size: 35px;
  color: rgb(74, 74, 243);
 margin: 20px;
}

 p {
  font-size: 20px;
  line-height: 30px;
  margin-bottom: 20px;
 }

}
nav {
  display: flex;
  justify-content: space-between;
  width: 50%;
  margin: auto;
}

select {
  position: absolute;
  top: 20px;
  width: 100px;
  height: 30px;
  border-radius: 8px;

}


#leng {
  right: 10px;
}

#course {
  left: 10px;
}

@media (max-width: 1400px) {

  .container {
    width: 80%;
  }

  h1 {
    margin-top: 50px;
  }

  .card {
    width: 90%;
  }
}

@media (max-width: 500px) {

  .container {
    width: 90%;
  }


  select {
    left: 50% !important;
    translate: -50%;
  }

  #course {
    top: 55px;
    /* min-width: 90%; */
  }

  h1 {
    margin-top: 95px;
  }
}



/* @media (1000px > width > 700px) */