styles.css

@import "https://fonts.googleapis.com/css?family=Quicksand";
:root {
  --primary: white;
  --random-color: #4281cb;
  --random-color-2: #7a07e0;
  --degree: 90deg;
}

html {
  height: 100%;
}

body {
  text-align: center;
  align-items: center;
  font-family: 'Quicksand';
  background-color: #0ddbc0;
  background-image: linear-gradient(var(--degree),var(--random-color-2),var(--random-color));
  color: var(--primary);
  /* background-repeat: no-repeat; */
}

h1:first-child {
  margin: 5em 0 1em 0;
}

.sub-text {
  font-size: 1.2em;
  margin: 0.5em 0 1em 0;
}

.btn {
  display: inline-block;
  border-radius: 2px;
  border: none;
  height: 45px;
  padding: 0;
  margin-top: 5px;
  margin-bottom: 5px;
}

.sm {
  width: 20em;
}

.ghost {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  transition: 0.2s ease;
}

.fa-copy {
  margin: 0 0.5em;
  padding: 0.75em;
  line-height: 20px;
  border-radius: 0.55em;
}

#random-color {
  text-decoration: underline;
}

#random-color-2 {
  text-decoration: underline;
}

.container_bottom {
  display: flex;
  flex-direction: column;
}

.row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.text {
  font-weight: bold;
}

.top input {
  margin-left: 20px;
  margin-right: 5px;
  width: 40px;
  background: rgba(100%,100%,100%,0.1);
  border: none;
  padding: 5px;
  color: #fff;
  border-radius: 7px;
  font-weight: bold;
}

input:focus {
  border: none
}

li {
  list-style-type: none;
  font-weight: bold;
  letter-spacing: 1.5px;
}

li:hover {
  background: rgba(0,0,0,0.2);
  transition: .2s;
  padding: auto 7px;
  /* transform: scale(1.045); */
  border-radius: 10px;
}

li:not(:hover) {
  transition: .2s;
}

ul {
  line-height: 3rem;
  text-align: center;
  display: flex;
  flex-direction: column-reverse;
  margin: 0 auto;
  text-align: left;
}

.history i {
  border: 1px solid #fff;
  border-radius: 5px;
  padding: 10px 35px;
  margin-right: 10px;
}

.history i:not(:hover) {
  transition: .2s;
}

.history i:hover {
  transition: .2s;
}

.container {
  font-family: 'Montserrat', sans-serif;
}