body { 
    background-color: #6DB3F2;
    background-image:url('abstractbackground.jpg');
    background-repeat:no-repeat;
    background-position: center center;
 }

#content {
    margin: 0 auto;
}

.math-header, .section-header {
    display: inline-block;
    background: #afeb10;
    border-top: 1px solid #ccc;
    color: ##FFBF00;
    font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
    font-weight: bold;
    margin-bottom: 20px;
    padding: 10px;
    text-shadow: 0 0 0
}

#content input,
#content textarea {
  color: #F2072E;
  font-weight: bold;
  font-size: 30px;
}

.writing {
    width: 600px;
    border-radius: 15px;
    margin-left: 140px;
    background: white;
    opacity: 0.7;
    display: inline-block;
    padding: 10px;
}

.list {
    line-height: 30px;
    background: white;
    list-style-position: inside;
    opacity: 0.7;
    width: 600px;
    padding-left: 10px;
    padding-right: 10px;
    margin-left: 100px;

}

#topitem {
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
}

#bottomitem {
  border-bottom-left-radius: 15px;
  border-bottom-right-radius: 15px;
}

.showhideall {
    background: white;
    opacity: 0.7;
    padding-left: 10px;
    padding-right: 10px;
    display: inline-block;
    margin-left: 300px;

}

input {
    margin-left: 145px;
}

.footer {
  position: absolute;
  right: 0;
  bottom: 10px;
  left: 0;
  text-align: center;
  font-size:small; 
  color:gray;
  background: white;
  border-radius: 15px;
  width: 700px;
  margin: 0 auto;
  opacity: 0.5;
  padding: 10px;
}