* {
    box-sizing: border-box;
  }
  .infotext {
    width: 52%;
    margin: 0 auto;
    padding: 10px;
    margin-top: 20px;
    margin-bottom: 20px;
    text-align: center;
    background-color: rgb(243, 190, 190);
    border: 2px solid red;
    color: black;
  } 
/* Main column */
.main {
  flex: 100%;
  background-color: var(--hellgrau);
  margin: 0 auto;
  padding: 0px 0px 35px;
}
/* Column container */
.inhalt {  
    display: flex;
    flex: 100%;
  }
  .slider_links {
    background-color: var(--hellgrau);
    width: 50%;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .text_rechts {
    background-color: var(--hellgrau);
    width: 50%;
    padding-top: 40px;
    padding-right: 100px;
    padding-bottom: 35px;
    padding-left: 10px;
  }

  /* Responsive layout */
@media screen and (max-width: 1150px) {
    .inhalt {   
      flex-direction: column;
    }
    .slider_links {
      background-color: var(--hellgrau);
      width: 100%;
      padding: 10px 20px 10px;
    }
    .text_rechts {
      background-color: var(--hellgrau);
      width: 100%;
      padding: 10px 20px 10px;
    }
    .infotext {
      width: 90%;
    }
  }