style.css

body {
  width: 80%;
  margin: auto;
}

header {
  margin: auto;
  background-color: darkgreen;
  text-align: center;
  color: white;
  padding: 20px 0;
}

canvas[style] {
  width: 500px !important;
}

table {
  margin: auto;
  margin-top: 20px;
}

td {
  padding: 5px;
}

select {
  filter: drop-shadow(0px 10px 10px rgb(194, 194, 194));
  border-radius: 5px;
}

th {
  background-color: darkgreen;
  color: white;
}

tr:nth-child(even) {
  background-color: rgb(216, 216, 216);
}

#total-amount {
  text-align: center;
  font-size: x-large;
  font-weight: 900;
}

.filters {
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
}

.months input {
  margin-left: 10px;
} 

.dashboard {
  display: flex;
}

#credit-card-info {
  text-align: center;
}

#credit-card-info > img {
  width: 50%;
  margin: auto;
}