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

body {
  margin: 16px;
  font-family: "Montserrat", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #fafafa;
  color: #212121;
  line-height: 1.5;
}
ul {
  list-style: none;
}

/* task-1 styles */
#categories {
  list-style: none;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  gap: 24px;
  border-radius: 8px;
  padding: 24px;
  width: 440px;
  background-color: #fff;
}
#categories .item {
  padding: 16px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  gap: 16px;
  background-color: #f6f6fe;
  width: 100%;
}

#categories .item h2 {
  font-weight: 600;
  font-size: 24px;
  line-height: 1.33;
  letter-spacing: 0.04em;
  color: #2e2f42;
}

#categories .item ul {
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
#categories .item ul li {
  border: 1px solid #808080;
  border-radius: 4px;
  width: 100%;
  padding: 8px 16px;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #2e2f42;
}

/* task-2 styles */
.gallery {
  max-width: 1128px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.gallery li {
  width: calc((100% - 48px) / 3);
}
.gallery li img {
  width: 100%;
  height: 300px;
}

/* task-3 styles */
#name-input {
  padding: 8px 16px;
  border: 1px solid #808080;
  border-radius: 4px;
  width: 360px;
  height: 40px;
  margin-bottom: 16px;
}
#name-input::placeholder {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #2e2f42;
}
h1 {
  font-weight: 600;
  font-size: 24px;
  line-height: 1.33;
  letter-spacing: 0.04em;
  color: #2e2f42;
}

/* task-4 styles */
.login-form {
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  gap: 8px;
  width: 360px;
  background-color: #fff;
  padding: 24px;
}
.login-label {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #2e2f42;
}
.login-label input {
  height: 40px;
  padding-left: 16px;
  width: 100%;
}
.login-form-btn {
  border-radius: 8px;
  padding: 8px 16px;
  width: 86px;
  height: 40px;
  background-color: #4e75ff;
  border: none;
  cursor: pointer;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #fff;
}

/* task-5 styles */
.widget {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  margin: 0 auto;
}
.widget p {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #2e2f42;
}
.change-color {
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  width: 148px;
  height: 40px;
  background: #4e75ff;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #fff;
  cursor: pointer;
}