body {
    font-family: "Open Sans", sans-serif;
}
.wrapper {
    margin-left: auto;
    margin-right: auto;
    width: 78%;
    padding-right: 10px;
    padding-left: 10px;
}
input {
    width : 150px;
    margin: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
input[type=text] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
}
input[type=button] {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 16px 32px;
    text-decoration: none;
    font-weight: bold;
    margin: 4px 2px;
    cursor: pointer;
}
input[type=text]:focus {
    background-color: lightblue;
}
input[type=button]:hover {
    background-color: #686868;
}
#messages {
    margin-top: 12px;
    margin-bottom: 12px;
    padding: 12px;
    width:100%;
    display: inline-block;
    border:1px solid black;
    max-height: 250px;
    min-height: 250px;
    overflow: scroll;
}
#messages span {
    overflow-y: scroll;
    overflow: scroll;
}

@media only screen and (max-width: 1440px) {
  .wrapper {
   margin: 0px;
    width: 100%;
      padding:0px

}
}