@import url("https://fonts.googleapis.com/css2?family=Dosis&display=swap");
* {
  font-family: "Dosis", monospace;
  box-sizing: border-box;
}
body {
  padding: 0 10%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}
main {
  width: 100%;
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
}
h1 {
  text-align: left;
  width: 100%;
}
section {
  min-width: 220px;
  width: 18%;
  height: 500px;
  text-align: center;
  overflow: auto;
  margin: 10px 5px;
  border-radius: 10px;
  box-shadow: 5px 6px 8px 2px rgba(0, 0, 0, 0.4);
}

section h2 {
  margin-right: 15px;
}
section button,
section h2 {
  display: inline-block;
}
section div{
  max-height: calc(100% - 73.42px);
  overflow: auto;
}
section div::-webkit-scrollbar {
  background-color: #fff;
  width: 16px;
}

/* background of the scrollbar except button or resizer */
section div::-webkit-scrollbar-track {
  background-color: #fff;
}

/* scrollbar itself */
section div::-webkit-scrollbar-thumb {
  background-color: #babac0;
  border-radius: 16px;
  border: 4px solid #fff;
}

/* set button(top and bottom of the scrollbar) */
section div::-webkit-scrollbar-button {
  display:none;
}
div.day div h3 {
  width: 100%;
}
section button {
  font-size: 1.5rem;
  border: 2px solid #000000;
  padding: 0px 15px 3px;
  background-color: #ffffff;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}
section button[value="delete"] {
  font-size: 1.25rem;
}
section button:hover{
  background-color: #000000;
  color: #ffffff;
}
#modalWindow {
  width: 100vw;
  height: 100vh;
  position: absolute;
  display: none;
  justify-content: center;
  align-items: center;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
}
form {
  width: 50%;
  height: 50%;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  position: relative;
}
form label {
  font-size: 2.5rem;
}
form input {
  height: 20%;
  font-size: 2rem;
  border: 2px solid #000000;
}
form button[type="submit"] {
  height: 15%;
  font-size: 2rem;
  background-color: #ffffff;
  border: 2px solid #000000;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}
form button[type="submit"]:hover{
  background-color: #000000;
  color: #ffffff;
}
form button.close {
  position: absolute;
  top: 20px;
  right: 20px;
  cursor: pointer;
  background-color: #ffffff;
  border: 0;
  font-size: 1.25rem;
}
form input,
form label,
form button[type="submit"] {
  margin: 15px 0;
}
@media screen and (min-width: 1600px) {
  html {
    font-size: 20px;
  }
}
@media screen and (max-width: 480px) {
  section {
    width: 80%;
  }
}