.container-fluid {
  background-color: #5eb562;
}
.navbar-brand {
  padding-left: 30px;
}
.form {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 80vh;
}
.form-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  border: 1px solid white;
  background: rgba(94, 181, 98, 0.25);
  border-radius: 7px;
}
.login-h {
  padding: 20px;
  color: #5eb562;
  font-weight: 600;
  font-size: 30px;
}
.logo-image {
  width: 180px;
  border-radius: 100% !important;
  margin: 0 120px !important;
}
.form-floating {
  width: 70%;
  margin: 30px 0;
  border: 1px solid #5eb562;
  border-radius: 7px;
}

.start-button {
  background-color: #5eb562;
  border: 0px;
  width: 220px;
  color: white;
  border-radius: 7px;
  padding: 10px 0;
  margin-bottom: 40px !important;
}

.start-button:hover {
  scale: 1.01;
  transition-duration: 0.5s;
  cursor: pointer;
}

@media only screen and (max-width: 950px) {
  .form {
    scale: 0.9;
  }
  .container {
    scale: 0.8;
  }
  .card {
    margin-top: -40px !important;
    width: 60% !important;
  }
  .bg-picture {
    object-fit: cover;
  }
}

@media only screen and (max-width: 768px) {
  .form {
    scale: 0.8;
  }
  .navbar-brand img {
    margin-left: -20px !important;
    width: 50px;
    height: 50px;
  }
  .card {
    width: 85% !important;
  }
  .btn-success {
    width: 20% !important;
  }
  .bg-picture {
    object-fit: cover;
  }
}
@media only screen and (max-width: 500px) {
  .navbar-brand img {
    margin-left: -20px !important;
    width: 50px;
    height: 50px;
  }
  .form {
    scale: 0.7;
  }
  .bg-picture {
    object-fit: cover;
  }
}

.bg-picture {
  margin: 0;
  width: 100vw;
  height: 100vh;
  position: absolute;
  opacity: 40%;
}
.navbar {
  position: relative;
  z-index: -1;
}
.container-fluid {
  background-color: #5eb562;
}
.navbar-brand {
  padding-left: 30px;
}
.navbar-text {
  color: rgb(0, 0, 0);
  font-size: 20px;
  margin-right: 30px;
}

.timer {
  display: flex;
  flex-wrap: wrap;
  justify-content: right;
  margin-right: 100px;
  font-weight: 500;
}

.topic {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  font-weight: 500;
}
.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}
.card {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 35%;
  height: 50vh;
  position: relative;

}
.btn-success {
  width: 10%;
    position: relative;
}

.form-check-input:checked + .form-check-label {
  background-color: rgba(94, 181, 98, 0.6);
  border-radius: 5px;
  padding: 5px 5px;
}