:root {
  --primary: #008000;
  --secondary: #fff;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

/* ****** nav ******** */

.navigation {
  background-color: var(--primary);
  color: #fff;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 600;
}

.navigation .link {
  color: #fff;
  font-size: 1.1rem;
}

.navigation .nav-pills {
  /* display: flex;
    justify-content: end; */
  text-align: end;
}

.navigation .link-active {
  font-weight: 600;
}

.list-non-bullet {
  list-style: none;
  width: 70%;
}

.list-item-inline {
  display: inline;
  padding: 0rem 0.5rem;
}

.link {
  display: inline-block;
  text-decoration: none;
  padding: 0.5rem 1rem;
  transition: all 100ms ease-in-out;
}

.link:hover {
  transform: scale(1.05);
}

/* ****** others ****** */

html {
  overflow: scroll;
  overflow-x: hidden;
}
::-webkit-scrollbar {
  width: 0;
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #ff0000;
}

/* ***** footer ****** */

footer {
  width: 100%;
  margin-top: 3rem;
  font-size: 2rem;
  font-weight: 300;
  background-color: var(--primary);
  padding: 0.5rem;
  text-align: center;
  color: white;
}

.footer-links {
  display: inline-block;
  color: #fff;
  padding: 0 1rem 0;
  text-decoration: none;
  font-size: 2rem;
}

.footer-links:hover {
  transform: scale(1.05);
}

.footer-name {
  font-size: 1.2rem;
  padding: 0.5rem;
  font-weight: 500;
}

/* **** is Triangle styling***** */

.container {
  padding: 1rem;
  text-align: center;
}

.isTriangle-head {
  padding: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.angle-input {
  padding: 0.5rem 1rem;
  margin-bottom: 2rem;
  border-radius: 0.2rem;
  border: 2px solid var(--primary);
}

.isTriangle-label {
  display: block;
  text-align: center;
  margin-bottom: 0.3rem;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--primary);
}

#is-triangle-btn,
#submit-btn {
  display: block;
  margin: 1rem auto;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--primary);
  border: none;
  letter-spacing: 0.3px;
}

#submit-btn:hover,
#is-triangle-btn:hover {
  background-color: #008000d2;
}

#output,
#output1 {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 600;
  padding-top: 0.5rem;
}

/* ***** quiz ******* */

.quiz-head {
  text-align: center;
  padding-top: 2rem;
  font-weight: 600;
}
.quiz-sec-head {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0.2rem 1rem 1rem;
}

.quiz-form {
  max-width: 900px;
  margin: auto;
  font-size: 1.2rem;
  text-align: center;
}

.question-container {
  margin: 3rem;
}

.quiz-label {
  display: inline-block;
  padding: 1rem;
}

/* ****** hypotenuse ***** */
.hypo-head {
  padding: 1rem;
  padding-bottom: 0.5rem;
  font-weight: 600;
}
.note {
  display: block;
  margin: 0 1rem 1.5rem;
}

.formula {
  font-size: 1.2rem;
  font-weight: 500;
  padding: 0 0.5rem 0.5rem;
}