header {
  position: relative;
  background-color: black;
  height: 75vh;
  min-height: 25rem;
  width: 100%;
  overflow: hidden;
}

header video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: 0;
  -ms-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
}

header .container {
  position: relative;
  z-index: 2;
}

header .overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: black;
  opacity: 0.5;
  z-index: 1;
}

.shrink{
  -webkit-transform:scale(0.70);
  -moz-transform:scale(0.70);
  -ms-transform:scale(0.70);
  transform:scale(0.70);
  }

.btn{
  font-size: large;
}

.img-shadow{
  width: 100%;
  box-shadow: 8px 8px 5px lightgray;
}

.img-shadow-left{
  width: 100%;
  box-shadow: -8px 8px 5px lightgray;
}

.l3{
  font-size: 3rem;
  font-weight: bold;
  color: white;
  padding: 1rem;

}
.l2{
  color: rgba(0, 0, 0, 0.5); 
  /* font-weight: bold;  */
  font-size: 22px;
  text-align: center;
}
.l1{
  /* font-weight: bold;  */
  font-size: x-large;
}
.haiti_data{
  visibility: show;
  height:auto; 
  background-color:white;
}
.f1_font{
    font-size: xx-large;
    font-weight: bold;
    color: white;
    opacity: 0.9;
}
.f2_font{
  font-size: x-large;
  color: white;
  opacity: 0.9;
}

h2{  
  color: #2e3c63;
  font-size: 38px;
}


h3 {
  font-size: xx-large;
}
p {
  font-size: x-large;
}


.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.overlay_dark {
  position: absolute; 
  top: 0; left: 0; 
  width: 100%; height: 100%; 
  background-image: linear-gradient(to top, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
}

.container-project {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  background-color: white;
  padding: 100px 20px 100px 20px;
}

h2 {
  font-size: 2vw;
  font-weight: bold;
}
h3 {
    font-size: 1.5vw;
    font-weight: bold;
    text-align: left;
}
p {
    font-size: 1.3vw;
    text-align: left;
}
.l1 {
  font-size: 1.5vw;
}


/* Hide all headers by default */
#header, #header2, #header3 {
  display: none;
}
#projects1-1, #projects1-2, #projects1-3 {
  display: none;
}

.headline {
  font-size: 5vh;
  font-weight: bold;
  color: white;
  padding: 1.5rem;
  line-height: 1.2;
}

/* Display the first header for viewports wider than 1200px */
@media (min-width: 1200px) {
  #header {
    display: block;
    height: auto;
  }
  #projects1-1 {
    display: block;
    height: auto;
  }
  .masthead {
    height: 25rem;
  }
}

/* Display the second header for viewports between 800px and 1199px */
@media (max-width: 1199px) and (min-width: 769px) {
  #header2 {
    display: block;
    height: auto;
  }
  .masthead {
    height: 10rem;
  }
  .headline {
    font-size: 4.8vh;
  }
  
  #projects1-2 {
    display: block;
    height: auto;
  }
  h2 {
    font-size: 3.5vw;
    font-weight: bold;
    text-align: center;
  }
  h3 {
    font-size: 2vw;
    font-weight: bold;
    text-align: left;
  }
  p {
      font-size: 1.8vw;
      text-align: left;
  }
  .l1 {
    font-size: 2.2vw;
    padding-left: 10px;
  }
  .container-project {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    background-color: white;
    padding: 50px 10px 50px 10px;
  }
}

/* Display the third header for viewports less than 800px */
@media (max-width: 768px) {
  #header3 {
    display: block;
    height: auto;
  }
  .masthead {
    height: 10rem;
  }
  .headline {
    font-size: 3.5vh;
  }

  #projects1-2 {
    display: block;
    height: auto;
  }
  h2 {
    font-size: 5vw;
    font-weight: bold;
    text-align: center;
  }
  h3 {
    font-size: 3vw;
    font-weight: bold;
    text-align: left;
  }
  p {
      font-size: 2.5vw;
      text-align: left;
  }
  .l1 {
    font-size: 3.5vw;
    padding-left: 10px;
  }
  .container-project {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    background-color: white;
    padding: 50px 5px 50px 5px;
  }
  #projects1-3 {
    display: block;
    height: auto;
  }
}