.collapsible {
    background-color: #777;
    cursor: pointer;
    padding-top: 10px;
    padding-left: 30px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-family: "Roboto", Sans-serif;
    color: var(--text-colour);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5em;
  }
  
  .active, .collapsible:hover {
    background-color: #555;
  }
  
  .collapsible:after {
    content: '\02C5';
    color: var(--text-colour);
    font-weight: bold;
    float: left;
    margin-left: 5px;
    padding-right: 7px;
    padding-bottom: 15px;
  }
  
  .active:after {
    content: "\02C4";
    padding-right: 7px;
    padding-bottom: 0px;
  }
  
  .content {
    padding: 0 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: #f1f1f1;
  }

  .collapsibleHeader {
    padding:25px 5px 5px 25px;
    background-color: #eff1f3;
    margin-top: 20px
  }

  .prep-container {
    width: 1000px;
  }

  .infoTitle {
    font-size: 1.8rem;
    margin: 0;
  }

  .prep-video {
    width: 80%;
    margin-bottom:20px;
    max-height: 500px;
    /*height: 100%;*/
    background-color: #151515;
  }

  .prep-img{
    max-width: 80%;
    max-height: 300px;
    width: auto;
  }

  .whiteInfoText {
    color: white;
    margin:0px;
    margin-left: 35px;
    margin-right: 35px;
}

.darkInfoText{
    margin:0px;
    margin-left: 35px;
    margin-right: 35px;
}
.extra-margin-small {
  margin-bottom: 5em;
}
.extra-margin {
  margin-bottom: 5em;
}

.roi-title {
  margin-bottom: 11px; 
  margin-left: 96px; 
  margin-top: 10px;
}

.ivideo {
    height:1423px;
}

@media (max-width: 1000px) {
  .collapsibleHeader {
    margin-bottom: -1px;
  }
  .prep-video {
    width: 100%;
  }
  .content{
    padding: 0 0;
    margin-top: -1px;
  }
  .content .justify-content-left {
    flex-direction: column;
  }
  .extra-margin {
    margin-bottom: 5em;
  }
  .roi-title {
    margin-left: 41px; 
  }
}