body, html {
    height:100%;
    padding:0;
    margin:0;
    color: black;
}

<div class="first-image-text-chunk">

a {
    color: #000000; 
    text-decoration: none; 
background-color: #000;
    opacity: 0.7;
    filter: alpha(opacity=80);
}

.first-image{
    z-index: -100;
    position: absolute;
}

.first-image img{
      /* Set rules to fill background */
  min-height: 100%;
  min-width: 1024px;
	
  /* Set up proportionate scaling */
  width: 100%;
  height: auto;
	
  /* Set up positioning */
  position: fixed;
  top: 0;
  left: 0;
}

.first-image-text {
    padding-top: 7.8%;
    text-align: center;   
    color: #FFFFFF;
background-color: #000;
    opacity: 0.6;
    filter: alpha(opacity=60);
}

.first-image-header{
    font-size: 2.2em;
    margin-bottom: 25px;
}

.first-image-text-chunk{
    font-size: 2em;
    margin-bottom: 20px;
    width: 70%;
    margin-left: auto;
    margin-right: auto;
background-color: #000;
    opacity: 0.7;
    filter: alpha(opacity=80);
}

.first-image-link {
    font-size: 2em;
    color: #0000dd;
}


@media screen and (max-width: 1024px) { /* Specific to this particular image */
  .first-image img {
    left: 50%;
    margin-left: -512px;   /* 50% */
  }
}

.bulleted-list ul{
    list-style-type: disc;
    text-align: left;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
}

.short-bullets{
    width: 20%;
    margin-left: auto;
    margin-right: auto;
}
@media screen and (max-width: 1024px) { /* Specific to this particular image */
  .first-image img {
    left: 50%;
    margin-left: -512px;   /* 50% */
  }
}

@media only screen and (max-width: 1480px)  {
    .first-image img{
    height: 100%;
    width: 100%;
    }
    
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    width: 143px;
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}    

    .about-box-header{    
    font-size: 1.8em;
    color: #FFFFFF;
    text-align: center;
    margin-top: 15px;
}

    .about-box-text {
    font-size: 1.4em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}     

.about-box-text-chunk {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 12.4%;
}
}

@media only screen and (max-width: 1240px)  {
    .first-image img{
    height: 100%;
    width: 100%;
    }
    
    .first-image-header{
    font-size: 4.8em;
    margin-top: -40px;
    margin-bottom: 20px;
    width: 140%;
    text-align: center;
    margin-left: -18%;
    margin-right: -6%;
}
    
    .first-image-description{
    font-size: 2.9em;
    margin-bottom: 10px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}
    
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    width: 143px;
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}    

    .about-box-header{    
    font-size: 1.8em;
    color: #FFFFFF;
    text-align: center;
    margin-top: 15px;
}

    .about-box-text {
    font-size: 1.4em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}     

.about-box-text-chunk {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 12.4%;
}
}

@media only screen and (max-width: 800px)  {
    .first-image img{
    max-height: 100%;
    max-width: 100%;
    }

.first-image-header{
    font-size: 3.2em;
    margin-bottom: 20px;
    width: 140%;
    text-align: center;
    margin-left: -18%;
    margin-right: -6%;
}

.first-image-description{
    font-size: 2em;
    margin-bottom: 10px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}
    
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}    

    .about-box-header{    
    font-size: 1.8em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 12.4%;
}

.about-box-text {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 12.4%;
}

.about-box-text-chunk {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 6.4%;
}
} 

@media only screen and (max-width: 720px)  {
    .first-image img{
    max-height: 100%;
    max-width: 100%;
    }
    
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}    

    .about-box-header{    
    font-size: 1.8em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 12.4%;
}

    .about-box-text {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}     

.about-box-text-chunk {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 6.4%;
}
}

@media only screen and (max-width: 640px)  {
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}    

.first-image-header{
    font-size: 3.2em;
    margin-top: -9.0px;
    margin-bottom: 20px;
    width: 140%;
    text-align: center;
    margin-left: -18%;
    margin-right: -6%;
}

.first-image-description{
    font-size: 2em;
    margin-bottom: 10px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}

    .about-box-header{    
    font-size: 1.8em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 12.4%;
}

    .about-box-text {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}     

.about-box-text-chunk {
    font-size: 1.48em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 10.4%;
    margin-right: 6.4%;
}
}

@media only screen and (max-width: 480px)  {
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}

    .about-box-header{    
    font-size: 1.4em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}

    .about-box-text {
    font-size: 1.2em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}     
}

@media only screen and (max-width: 320px)  {
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}

    .about-box-header{    
    font-size: 1.4em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
}

    .about-box-text {
    font-size: 1.2em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}     

}
@media only screen and (max-width: 240px)  {
    .about-box{
     display: block;
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 50px;
    margin-left: auto ;
    margin-right: auto ;
    margin-bottom: 100px;
    padding-bottom: 50px;
    
    background-color: #010101;
    border-radius: 9px;
    border: transparent;
    width:100%;
}

    .about-box-header{    
    font-size: 1.2em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
}

    .about-box-text {
    font-size: 1.0em;
    color: #FFFFFF;
    text-align: left;
    margin-top: 15px;
    margin-left: 12.4%;
    margin-right: 12.4%;
}     

}