* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.main {
  padding: 50px;
  display: flex;
  flex-direction: column;
  z-index: 0;
}
.main::before {
  content: "";
  z-index: -1;
  background-color: rgba(255, 255, 255, 0.5);
  width: 427px;
  height: calc(100vh - 60px);
  position: absolute;
  left: 50px;
  top: 30px;
  border-radius: 54px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 50px;
}
header h3 {
  font-family: merriweather, serif;
  font-weight: 700;
  font-style: normal;
  font-size: 36px;
  color: #3b3b71;
  position: relative;
}
header h3::after {
  content: "Only you";
  font-size: 14px;
  position: absolute;
  top: 60px;
  left: 5px;
  color: #8a8aaa;
  font-family: poppins, sans-serif;
  font-weight: 500;
  font-style: normal;
}
.todos.uncompleted {
  margin-bottom: 43px;
}
ul li {
  font-size: 20px;
  color: #3b3b71;
  font-family: poppins, sans-serif;
  display: flex;
  align-items: center;
  margin-bottom: 25px;
  cursor: pointer;
}
.todos ul li input {
  appearance: none;
  height: 39px;
  width: 39px;
  border: 1px solid #3b3b71;
  border-radius: 50%;
  margin-right: 8px;
  cursor: pointer;
}

.categories {
  padding-left: 7px;
  margin-bottom: 20px;
  overflow: scroll;
  overflow-x: hidden;
}
.header h2,
.add_category h2 {
  color: #3b3b71;
  text-transform: uppercase;
  font-family: poppins, sans-serif;
  font-size: 22px;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.categories ul li {
  display: flex;
  align-items: baseline;
  font-size: 15px;
  justify-content: space-between;
}
.categories ul li a {
  display: flex;
  justify-content: center;
}
.categories ul li i {
  color: #3b3b71;
  font-size: 20px;
  margin-right: 15px;
}
.footer {
  margin-top: auto;
  align-self: end;
}
.footer a {
  padding: 15px 60px;
  background-color: #3b3b71;
  border-radius: 10px;
  cursor: pointer;
}
.footer a i {
  color: #fff;
  cursor: pointer;
}
.add_category,
.add_todo {
  margin-top: 160px;
  display: flex;
  flex-direction: column;
}
.add_category input,
.add_todo input {
  height: 40px;
  width: 350px;
  outline: none;
  border: 1px solid #3b3b71;
  border-radius: 20px;
  padding: 0 10px 1px;
  margin-bottom: 15px;
}
.add_category a,
.add_todo a {
  border: 1px solid #3b3b71;
  border-radius: 20px;
  height: 40px;
  width: 150px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}