#projekt_section {
  width: 99.4%;
  margin-top: 10px;
  margin-bottom: 10px;
  background-color: var(--primary-color);
}
#projekt_section h2{
  font-size: 60px;
  font-weight: 300;
  text-align: center;
}

#projekt_section .flex_cont_bt {
  margin-top: 50px;
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}
#projekt_section .flex_cont_bt .card_bt {
  width: 300px;
  background: var(--bg-lin4);
  border-radius: 30px;
  padding: 30px 20px;
  box-shadow: 5px 10px 12px silver;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 20px;
}
#projekt_section .flex_cont_bt .card_bt h2 {
  font-size: 30px;
  font-weight: 300; 
}
#bauteil_section .flex_cont_bt .card_bt h4 {
  font-size: 1em;
  color: var(--font-col1);
  background: var(--bg-col1);
}
#bauteil_section .flex_cont_bt .card_bt p {
  color: var(--font-col6);
  background: var(--bg-col3);
  font-size: 1rem;
  text-align: center;
}
#bauteil_section .flex_cont_bt .card_bt a {
  padding-left: 5px;
  text-decoration: none;
  color: var(--font-col1);
  transition: 150ms ease-in-out;
}
#bauteil_section .flex_cont_bt .card_bt a:hover {
  color: var(--bg-col2);
}