styles.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --primary-color: #800020;
  --secondary-color: #93c5fd;
}
body {
  background-image: url("./wave.svg");
  background-repeat: no-repeat;
  background-position: center;
}
li {
  list-style: none;
}
#main {
  /* margin: 6rem; */
}
#main-header {
  margin: 1rem;
  text-align: center;
  color: var(--primary-color);
}
#table-container {
  padding: 1rem;
}
table {
  width: 50%;
  margin: auto;
  /* border: 1px solid black; */
  /* border-collapse: collapse; */
  font-size: 0.8rem;
}
tbody {
  background-color: var(--secondary-color);
  border-radius: 0.5rem;
}
td,
th {
  border: 1px solid var(--primary-color);
  text-align: center;
  cursor: pointer;
}
p {
  display: block;
}
.container input {
  width: 77%;
}
.container {
  margin: 1rem auto;
  display: flex;
  /* flex-direction: column; */
  justify-content: space-around;
  align-items: flex-start;
  width: 50vw;
}
label {
  display: block;
  padding-bottom: 0.5rem;
}
#left {
  width: 50%;
}

#right {
  width: 50%;
  padding: 1rem;
}
#right p {
  margin: 1rem auto;
}
#right > ul > li {
  margin-bottom: 0.5rem;
}
#right > ul > li > button {
  padding: 0.2rem;
  cursor: pointer;
}
#add-btn {
  display: block;
  padding: 0.1rem 1.2rem;
}
#output-btn {
  display: block;
  padding: 0.1rem 1.2rem;
  font-size: 0.8rem;
}
.css-button-retro--sky {
  /* min-width: 130px;
  height: 40px; */
  color: #fff;
  padding: 5px 10px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
  outline: none;
  border: 1px solid #000;
  color: #000;
  background: transparent;
}

/* Css generators */

.css-button-retro--sky:hover:after {
  top: 0;
  left: 0;
}
.css-button-retro--sky:after {
  content: "";
  width: 100%;
  z-index: -1;
  position: absolute;
  height: 100%;
  top: 5px;
  left: 5px;
  transition: 0.2s;
  background-color: #3a86ff;
}