body {
  font-family: 'Times New Roman', Times, serif, sans-serif;
  background-color: #f0f0f0;
  color: #060404;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #000000;
}

@media (max-width: 768px) {
  .container {
    width: 100%;
    padding: 10px;
  }

  .nav {
    display: block;
  }
}

button,
a {
  padding: 10px 20px;
}

@media (min-width: 769px) {
  .container {
    width: 80%;
    margin: 0 auto;
  }

  .nav {
    display: flex;
  }
}

h2.input-section {
  text-align: left;
  color: #060404;
}

h2.output-section {
  text-align: right;
  color: #94d1f1;
}

.flex-container {
  display: flex;
  justify-content: space-between;
}

.input-section,
.output-section {
  width: 48%;
}

#resourceBlockForm,
#rbDuration {
  width: 43%;
}

#resourceBlockForm,
#rbBandwidth {
  width: 43%;
}

#PathLoss,
#Lf,
#Fmargin,
#Temperature,
#NT,
#At,
#Ar,
#Lo,
#Linkmargin,
#Fmargin,
#Frequency,
#Gt,
#Gr,
#subcarrierSpacing,
#TransmissionBandwidth,
#τ,
#FrameSize,
#FrameRate,
#prSen,
#SIR,
#pd0,
#referenceDistance,
#TotalArea {
  width: 45%;
  border: 1px solid #638c9e;
}

#CSMAQus {
  width: 43%;
  padding: 5px;
  border: 1px solid #61d3be;
  border-radius: 3px;
}



button.collapsible {
  background-color: #4a91a0;
  color: white;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
  border-radius: 7px;
  margin-bottom: 20px;
}

button.collapsible:hover {
  background-color: #58314c;
}

div.content {
  padding: 0 18px;
  display: none;
  overflow: hidden;
  background-color: #f9f9f9;
  border-radius: 4px;
}

form {
  margin-top: 10px;
}

label {
  display: block;
  margin: 10px 0 5px;
}

input,
select {
  width: calc(100% - 80px);
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

#resourceBlockForm {
  width: auto;
  padding: 5px;
  border: 1px solid #61d3be;
  border-radius: 3px;
}

#UnitrbBandwidth,
#UnitTransmissionBandwidth,
#UnitTotalArea,
#UnitFrameRate,
#UnitFrameSize,
#Unitτ,
#UnitTemp,
#UnitPathLoss,
#UnitLf,
#UnitGr,
#UnitGt,
#UnitNT,
#UnitAt,
#UnitAr,
#UnitLo,
#UnitAr,
#UnitFrequency,
#UnitsubcarrierSpacing,
#UnitrbDuration,
#UnitFmargin,
#UnitLinkmargin,
#Unitpd0,
#UnitSIR,
#UnitTotalArea,
#UnitreferenceDistance,
#UnitprSen {
  width: auto;
  padding: 5px;
  border: 1px solid #61d3be;
  border-radius: 3px;
}




button[type="button"] {

  display: ruby-base-container;
  width: 25%;
  padding: 5px;
  background-color: #007bff;
  margin-bottom: 20px;
  color: white;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  text-align: center;
  box-align: center;
}

button[type="button"]:hover {
  background-color: #0056b3;

}

#bitRateResult,
#resourceBlockResult,
#qus3,
#qus4,
#qus5 {
  padding: 10px;
  background-color: #e9ecef;
  border-radius: 10px;
  display: none;
  margin-bottom: 300px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
  max-height: 200px;
}

th {
  background-color: #f2f2f2ec;
}