#wrapper {
    width: 100%;
    background-color: #596781;
}

#content {
    width: 960px;
    height: 100%;
    background-color: lightsteelblue;
    margin: 0 auto;
}

header {
    width: 100%;
    height: 75%;
    background-color: aliceblue;
     text-align: center;
   
}

#main-content {
    width: 100%;
    padding-left: 15px;
}
#left-box, #impact, #right-box {
    vertical-align: top;
     text-align: center;
    
}
#left-box {
    width: 197px;
    height: 738px;
    background-color: #e0effc;
    display: inline-block;
    padding-left: 5px;
    padding-right: 5px;
  
    padding-bottom: 5px;
}

#impact {
    width: 500px;
    height: 200px;
    margin: 5px;
display: inline-flex;
   
    background-color: aliceblue;
}

#pics {
    width: 500px;
    display: inline-block;
}

#img1-box. #img2-box {
    width: 240px;
    height: 300px;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    justify-content: space-between;
}
#img1-box {
    margin-top: 15px;
    margin-left: 5px;
    display: inline-block;
    margin-bottom: 15px;
}
#img2-box {
    margin-left: 5px;
    margin-right: 5px;
    display: inline-block;
    margin-bottom: 15px;
}
#bottom-middle {
   width: 500px;
    display: inline-block;
    background-color: aliceblue;
}
#right-box {
    width: 200px;
    height: 738px;
    background-color: #e0effc;
    display: inline-block;
    margin-right: 5px;
    padding-left: 5px;
    padding-right: 5px;
}

footer {
    width: 100%;
    height: 75%;
    background-color: aliceblue;
    text-align: center;
}