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

body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, rgb(134, 110, 255), rgb(8, 173, 250), rgb(165, 10, 255), hwb(315 14% 9%), rgb(179, 107, 161));
  animation: gradientMove 10s infinite;
  background-size: 400% 400%;
  width: 100vw;
}

h1,
h2,
h3 {
  text-align: center;

}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th,
td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}

.correct {
  border: 4px solid rgb(6, 169, 0);
  padding: 3px;
  background-color: white;
  color: rgb(5, 164, 0);
  border-radius: 2px;
}

.wrong {
  border: 4px solid rgb(255, 0, 0);
  padding: 3px;
  background-color: white;
  color: red;
  border-radius: 3px;
}

.highlight {
  font-weight: bold;
}


@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

/* nav */
nav {
  color: white;
  height: 10vh;
  width: 100%;
  z-index: 20;
  font-size: 25px;
  position: fixed;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.041);
  border-bottom: white 2px solid;
}
body::selection{
  background-color: rgb(255, 89, 0);
}

/* Add Students */
.cardstudent {
  height: 90vh;
  width: 100%;
  margin-top: 10vh;
  /* background-color: #14a64c; */
  /* position: absolute; */
  padding: 0.1px;
}

.addstu {
  margin-top: 60px;
  width: 50%;
  justify-self: center;
  background-color: #ffffff29;
  backdrop-filter: blur(10px);
  height: 400px;
}

.addstu2 {
  display: flex;
  justify-content: space-around;
  margin: 0px 100px;
  padding-top: 0px;
  align-items: center;
  background-color: #ffffff;
  height: 50px;
  border-radius: 30px;
}

#studentName {
  height: 100%;
  width: 100%;
  border: none;
  outline: none;
  padding-left: 20px;
  border-radius: 30px;
}

h3 {
  font-size: 30px;
  padding: 20px;
  color: white;
}

.addstubtn {
  height: 100%;
  border: none;
  width: 120px;
  border-radius: 30px;
  background-color: orangered;
  cursor: pointer;
}

#studentsList {
  padding: 20px;
  margin-left: 100px;
  overflow: auto;
  height: 220px;
  width: 500px;
  font-size: 20px;
  color: white;
}

.container2 {
  height: 100vh;
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container3 {
  height: 100vh;
  padding-top: 10vh;
  width: 100%;
}
#leaderboard{
  padding: 20px;
 
}
.tdd{
  text-align: center;
  padding: 10px;
}
tbody tr th{
  padding: 10px;
  text-align: center;
}


#questionOptions {
  font-size: 25px;
  margin: 15px;
}

.card2 {
  /* margin-left: 300px;   */
  width: 50%;
  padding: 30px;
  min-height: 500px;
  background-color: #ffffff29;
}

.bb {
  width: 250px;
}

.bbdiv {
  display: flex;
  justify-content: space-between;
}

#studentOptions {
  height: 300px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 25px;
}
.bttons button{
  height: 40px;
  outline: none;
  border: none;
  font-size: 15px;
  width: 120px;
  cursor: pointer;
  border-radius: 50px;
  background-color: rgb(255, 72, 0);
  color: white;
}
.bttons{
  display: flex;
  gap: 30px;
  justify-content: space-between;
}