@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;1,200;1,300;1,400;1,500;1,600;1,700&display=swap");
* {
  font-family: 'Montserrat', sans-serif;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0;
  margin: 0;
  outline: none;
}

header {
  background-color: #1da1f2;
  padding: 20px 0;
}

header h1 {
  font-size: 20px;
  font-weight: 500;
  color: white;
  width: 95%;
  max-width: 1440px;
  margin: 0 auto;
}

main {
  margin: 30px 0;
}

main form {
  width: 95%;
  max-width: 1440px;
  margin: 0 auto;
}

main form input {
  border: 1px solid black;
  line-height: 40px;
  padding: 0 20px;
}

@media (min-width: 0) {
  main form input {
    width: 100%;
  }
  main form input:nth-of-type(2) {
    margin: 10px 0;
  }
}

@media (min-width: 370px) {
  main form input {
    width: 250px;
  }
}

@media (min-width: 530px) {
  main form input:nth-of-type(1) {
    margin-right: 5px;
    margin-bottom: 10px;
  }
  main form input:nth-of-type(2) {
    margin: 0;
  }
}

@media (min-width: 638px) {
  main form input:nth-of-type(1) {
    margin-right: 5px;
    margin-bottom: 0;
  }
  main form input:nth-of-type(2) {
    margin: 0 5px 0 0;
  }
}

main form button {
  font-weight: 600;
  color: white;
  background-color: #1da1f2;
  border: 1px solid #1da1f2;
  line-height: 40px;
  padding: 0 20px;
  cursor: pointer;
}

main aside {
  width: 95%;
  max-width: 1440px;
  margin: 30px auto;
}

main aside p {
  font-size: 15px;
  font-weight: 600;
  margin: 10px 0;
}

main .months {
  display: -ms-grid;
  display: grid;
  grid-gap: 30px;
  width: 95%;
  max-width: 1440px;
  margin: 0 auto;
}

@media (min-width: 0) {
  main .months {
    -ms-grid-columns: (1fr)[1];
        grid-template-columns: repeat(1, 1fr);
  }
}

@media (min-width: 400px) {
  main .months {
    -ms-grid-columns: (1fr)[2];
        grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 638px) {
  main .months {
    -ms-grid-columns: (1fr)[3];
        grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  main .months {
    -ms-grid-columns: (1fr)[4];
        grid-template-columns: repeat(4, 1fr);
  }
}

main .months .month h2 {
  font-size: 14px;
  font-weight: 500;
  color: #70757a;
  margin-bottom: 10px;
}

main .months .month p {
  font-size: 15px;
  font-weight: 500;
}

main .months .month .gains {
  color: #85bb65;
  margin: 5px 0;
}