:root {
  --light-blue: #0791e6;
  --dark--blue: #1f526f;
  --light-green: #82d02c;
  --soft-gray: #f6f8f9;
}

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

.container {
  width: 720px;
  height: 100vh; 
  position: absolute;
  top: 50px;
  left: calc(50% - (689px / 2));
}

.container__header {
  width: 100%;
  height: 80px;
  padding-top: 1.2rem;
  text-align: center;
  color: var(--light-blue);
  border-bottom: 2px solid var(--dark--blue);
}

.container__table {
  width: 90%;
  margin: 20px auto;
  text-align: center;
}

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

.container__table thead {
  background-color: var(--soft-gray);
}

.container__table thead > tr > th {
  width: 260px;
  height: 50px;
  font-size: 1.3rem;
  letter-spacing: 1px;
}

.container__table tbody > tr > td {
  height: 40px;
}

.container__table tfoot > tr > td{
  height: 60px;
  background-color: var(--dark--blue);
  color: #fff;
  font-weight: bold;
  font-size: 1.2rem;
  letter-spacing: 1px;
}

.container__form {
  width: 100%;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--soft-gray);
}

.container__form--input input {
  width: 130px;
  height: 40px;
  margin: 0 10px;
  padding-left: 10px;
}

.add {
  width: 40px;
  height: 40px;
  background-color: var(--light-green);
  border: none;
  border-radius: 5px;
  color: var(--soft-gray);
  font-size: 1.6rem;
  font-weight: bold;
  cursor: pointer;
}

.btn {
  width: 32px;
  height: 32px;
  background: url('../assets/delete-icon.svg') no-repeat center center/cover;
  border: none;
  cursor: pointer;
  font-size: 20px;
  text-align: center;
}

.btn:hover {
  opacity: 0.9;
}

.is-invalid {
  border: 2px solid red;
}