p {
    font-family: Arial, Helvetica, sans-serif;
}

div.background {
      margin: auto;
  width:  90%;
  border: solid grey;
  padding: 2px;
}
.logout {
    text-align: right;
      margin: auto;
  width: 90%;
  border: solid grey;
  padding: 2px;
}
.list {
    text-align: left;
      margin: auto;
  width: 90%;
  border: solid grey;
  padding: 2px;
}

#wrapper {
    width: 100%;
    overflow: hidden; /* will contain if #first is longer than #second */
}
#first {
    width: 50%;
    float:left; /* add this */
    padding: 35px;
}
#second {
    overflow: hidden; /* if you don't want #second to wrap below #first */
    padding: 35px;
}

H1 {
   font-size: 30px ;
    font-family: Arial, Helvetica, sans-serif; 
}

H2 {
   font-size: 25px ;
    font-family: Arial, Helvetica, sans-serif;
}
table {
  border-collapse: collapse;
  font-family: Arial, Helvetica, sans-serif;
}

table, th, td {
  border: 1px solid black;
}


tr:nth-child(even) {background-color: #f2f2f2;}

td {
  padding: 15px;
  text-align: left;
}
input[type=submit] {
  background-color: dimgrey;
  border: none;
  color: white;
  padding: 16px 32px;
  margin: 4px 2px;
  cursor: pointer;
}
textarea {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;   
}