* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body, html {
  height: 100%;
  background-color: #131313;
}

body {
  display: flex;
  flex-direction: column;
}

.main-container {
  margin: 0 auto;
  margin-top: 20px;
  min-width: 500px;
  width: fit-content;
  background-color: rgb(207, 207, 210);
  background: linear-gradient(0deg, rgba(207, 207, 210, 1) 0%, rgb(189, 189, 189) 100%);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

footer {
  background-color: #474747;
  color: #fff;
  line-height: 30px;
  padding: 0 20px;
  margin-top: auto;
  z-index: 1;
  font-size: 12px;
  width:100%;
  display: flex;
  justify-content: space-between;
}
footer a {
  color: #999;
  font-weight: bold;
}

nav {
  background-color: #474747;
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  justify-items: center;
  padding: .5rem;
  height: 50px;
}

nav ul {
  width: 100%;
  height: 100%;
  display: flex;
  gap:1rem;
  justify-content: space-evenly;
  align-items: center;
  list-style: none;
  margin: 0;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
}

nav ul li a:hover {
  text-decoration: none;
}

button, .button {
  padding: 10px;
  font-size: 16px;
  color: #fff;
  background-color: #007BFF;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

button:hover, .button:hover {
  background-color: #0056b3;
}

button i, .button i {
  margin-right: 5px;
}

hr {
  all: unset;
  display: flex;
  width: 100%;
  margin: 1rem 0;
  border-top: 1px solid #1100ff89;
}

h1 {
  text-align: center;
  margin: 0;
}

.active-link {
  background-color: #007BFF;
  border-radius: 4px;
  padding: 5px;
}

.shipment-links-container{
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  background-color: rgb(189, 189, 189);
  gap: 20px;
  padding: 5px;
}

.shipment-links-container a {
  color: black;
  text-decoration: none;
  font-weight: bold;
}

.shipment-links-container a:hover {
  text-decoration: underline;
}

.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0,0.4);
}

.basic-outline {
  outline: 1px solid black;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-top: 2rem;
  background-color: #ececec;
}