* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/*
html,
body {
  height: 100%;
}*/

body {
  font-family: Arial, sans-serif;
  background-color: #073b4c;
  display: flex;
  /*flex-direction: column;*/
}

h1 {
  text-align: center;
  padding: 20px 0;
  color: #ffd166;
}

.content {
  flex: 1;
  padding: 20px;
}


.sidebar {
  width: 230px;
  background-color: #022532;
  /*2c3e50*/
  height: 100vh;
  color: white;
  display: flex;
  flex-direction: column;
  padding: 20px;
  letter-spacing: 2px;
}

.sidebar a {
  padding: 20px;
  color: white;
  text-decoration: none;
  /*margin-bottom: 20px;*/
  display: block;
  font-size: 18px;
}

.sidebar a:hover {
  text-decoration: underline;
}

.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: #022532;
  color: white;
  text-align: center;
  padding: 8px 0;
}

table {
  margin-left: 25%;
  width: 50%;
  border-collapse: collapse;
}

th,
td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: left;
  color: white;
  font-weight: bold;
  font-size: 16px;
  letter-spacing: 1px;
}

th {
  background-color: #f4f4f4;
  color: black;
}

#excel,
#pdf {
  float: right;
  margin-left: 10px;
  margin-right: 10px;
  color: white;
  font-size: 16px;
  background-color: green;
  border: none;
  border-radius: 4px;
  padding: 5px;
}

#pdf {
  background-color: red;
}

select {
  padding: 5px;
}

option {
  font-size: 16px;
}