@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');

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins";
  font-size: 15px;
  font-weight: 400;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: hsl(0, 0%, 100%);
  min-height: 100vh;
}

.container {
  width: 100vh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 40px;
}

.card-header {
  flex-direction: column;
  margin: 30px auto;
  text-align: center;
}

.top {
  font-size: 23px;
  font-weight: 200;
  color: hsl(212, 6%, 44%);
}

.powered {
  font-weight: 600;
  color: hsl(234, 12%, 34%);
  margin-bottom: 15px;
}

.users {
  font-size: 15px;
  color: hsl(234, 12%, 34%);
  font-weight: 400;
  margin-bottom: 10px;
}

.card {
  background-color: white;
  margin: 15px 0;
  border-radius: 8px;
  box-shadow: 10px 20px 30px rgba(0, 0, 0, 0.1);
}

.card div {
  padding: 20px;
}

.font {
  margin: 30px 5px 20px auto;
  display: flex;
}

.card div {
  border-radius: 8px;
}

.card-supervisor {
  border-top: 5px solid hsl(180, 62%, 55%);
}

.topic {
  font-size: 18px;
  font-weight: 600;
  color: hsl(234, 12%, 34%);
  margin-bottom: 5px;
}

.card-contents {
  font-size: 14px;
  color: hsl(212, 6%, 44%);
  margin-bottom: 10px;
  font-weight: 400;
}

.card-efficient {
  border-top: 5px solid hsl(0, 78%, 62%);
}

.card-karma {
  border-top: 5px solid hsl(34, 97%, 64%);
}

.card-calculator {
  border-top: 5px solid hsl(212, 86%, 64%);
}



@media (min-width: 576px) {
  .card-header {
    text-align: center;
  }
  .users {
    max-width: 460px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 400;
    font-size: 13px;
  }

  .container {
    min-height: 100vh;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin: 40px;
  }

  #flex-box {
    display: flex;
    gap: 30px;
    align-items: center;
  }

  .card {
    max-width: 300px;
    min-height: 100%;
  }

  #left-card {
    flex: 0 0 30%;
  }

  #right-card {
  flex: 0 0 33%;
}

#center-card {
  flex: 0 0 33%;
}

.card-karma {
  margin-top: 30px;
}

.card-contents {
  font-size: 12px;
}

}