* {box-sizing: border-box;
}

body {
    background-color: #000000;
}

#wrapper {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    overflow: auto;
    background-color: white;
}

#informaticslogo {
    width: 40%;
    margin-left: 30%;
    margin-right: 30%;
}

hr {
    width: 80%;
    background-color: #888888;
}

header {
    text-align: center;
    background-color: gold;
    padding-bottom: 1px;
}

header h1 {
    font-family: Helvetica, sans-serif
}

main {
    margin-top: 2%;
    width: 95%;
}

fieldset {
    margin-bottom: 2%;
    border: none;
}

 label {
    font-size: 110%;
 }
   


#part1 {
  display: flex;
  flex-direction: column;
  width: 60%;
}

#part3 input{
    margin-bottom: 7px;
    margin-top: 7px;
}

#part3 label {
    font-weight: bold;
}

#part4 {
    display: grid;
    grid-template-columns: 25% 75%;
    grid-template-rows: auto;

}

#part4 label{
    padding-top: 10%;
    margin-left: 8%;
    font-weight: bold;
}

#part4 textarea {
    max-width: 500px;
    margin-bottom: 5%;
}


input[type="submit"] {
    display: inline;
    margin-left: 45%;
    margin-right: 45%;
    margin-top: 5%;
    margin-bottom: 2%;
    padding: .5%;
    font-size: 1.2em;
    font-family: Helvetica, sans-serif;
    background-color: #f19b2b;
    color: #ffffff;
    border-radius: 3px;
    box-shadow: 1px 3px 3px #444444;
}



legend {
    font-weight: bold;
    font-size: 125%;
    padding-bottom: 5px;
    text-decoration: underline;
}

#rangevalue {
    width: 2em;
}