grid.css

@import url("https://fonts.googleapis.com/css2?family=Karla:ital,wght@0,200..800;1,200..800&display=swap");

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

:root {
  /*COLORS*/
  --TEAL: rgb(73, 190, 189);
  --DARKTEAL: rgb(43, 180, 177);
  --GREEN: rgb(176, 206, 41);
  --LINKGREEN: rgb(170, 209, 14);
  --LINKGRADIENTCOLOR: radial-gradient(red, purple);
  --PAGECOLORTEAL100: hsl(204, 43%, 93%);
  --PAGECOLORGREY: hsl(218, 22%, 67%);
  --TEXTCOLORLIGHT: hsla(0, 0%, 100%, 0.606);
}

body {
  background-image: radial-gradient(var(--PAGECOLORGREY), #efeeed);
  font-family: "karla", sans-serif;
  display: grid;
  min-width: 100vw;
  height: 100vh;
}

main {
  display: grid;
  min-width: 100vw;
  height: auto;
  font-size: 16px;
  justify-content: center;
  align-content: center;
}

.contaner {
  display: flex;
  width: 100%;
  height: auto;
}

.topbox {
  min-height: 22vh;
  min-width: 80%;
  padding-left: 2rem;
  padding-right: 2rem;
  display: grid;
  grid-template-columns: 2fr;
  background-color: var(--PAGECOLORTEAL100);
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  align-content: center;
  justify-content: center;
}

.bottomboxes {
  min-height: 20vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.box2 {
  height: 100%;
  min-width: 100%;
  background-color: var(--DARKTEAL);
  border-bottom-left-radius: 10px;
  padding: 2rem;
  color: hsla(0, 0%, 100%, 0.756);
}

.box3 {
  height: 100%;
  min-width: 100%;
  background-color: var(--TEAL);
  border-bottom-right-radius: 10px;
  color: var(--TEXTCOLORLIGHT);
  padding: 2rem;
}

.link {
  padding: 1rem;
  width: 100%;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  color: #fff;
  background-color: var(--LINKGREEN);
  box-shadow: 0 3px 8px rgba(245, 245, 245, 0.413);
}

.lfthd {
  color: #fff;
  padding-bottom: 1rem;
}

.dollar {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 3rem;
}

.pm {
  padding-bottom: 1rem;
  color: var(--TEXTCOLORLIGHT);
}

.tpbhd {
  color: var(--DARKTEAL);
  padding-bottom: 1rem;
  font-size: 1.3rem;
}

.tpbhd1 {
  color: var(--GREEN);
  padding-bottom: 0.8rem;
}

.tpbhd2,
.tpbhd3 {
  padding: 0.2rem;
  white-space: wrap;
  color: var(--PAGECOLORGREY);
}

.ltbd1 {
  white-space: nowrap;
}

.ltbd3 {
  white-space: nowrap;
  padding-bottom: 1.5rem;
}

.rtbd1 {
  color: #fff;
  font-weight: 200;
}

.ref {
  text-decoration: none;
  padding: 1rem;
  padding-top: 0.1rem;
  padding-bottom: 0.1rem;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  background-color: aquamarine;
  color: #000;
}

footer {
  padding-top: 0.3rem;
}

/*MOBILE DEVICES*/

@media screen and (max-width: 430px) {
  body {
    padding-top: 35px;
    padding-bottom: 35px;
    padding-left: 30px;
    padding-right: 30px;
  }

  main {
    min-width: 100%;
    height: auto;
    display: flex;
    flex-flow: column;
  }

  .topbox {
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
    min-width: 100%;
    display: flex;
    flex-flow: column;
    align-content: center;
    justify-content: center;
  }

  .bottomboxes {
    min-width: 100%;
    display: flex;
    flex-flow: column nowrap;
    align-content: center;
    justify-content: center;
  }

  .box2 {
    border-bottom-right-radius: 0px;
    border-bottom-left-radius: 0px;
  }

  .box3 {
    border-bottom-left-radius: 10px;
  }

  .ltbd3 {
    white-space: wrap;
  }

  .tpbhd {
    white-space: wrap;
  }

  .ltbd1 {
    white-space: wrap;
  }
}

/*BIGGER DEVICES*/
@media screen and (min-width: 400px) {
  main {
    padding-left: 10px;
    padding-right: 10px;
  }

  .ltbd3 {
    white-space: wrap;
  }
}