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

body {
  font-family: sans-serif;
  background: #3494e4;
  color: #fff;
  text-align: center;
  height: 100vh;
}

h1 {
  margin: 20px 0 10px;
}

h3 {
  font-weight: 400;
  margin-bottom: 20px;
}

.cup {
  background: #fff;
  color: #144fc6;
  border: 4px solid #144fc6;
  border-radius: 0 0 40px 40px;
  height: 330px;
  width: 150px;
  margin: 30px auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.cup .remained {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cup .remained span {
  font-size: 1.2rem;
  font-weight: bold;
}

.cup .percentage {
  background: #6ab3f8;
  width: 100%;
  height: 0;
  transition: height 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.text {
  margin: 10px 0;
}

.cups {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 300px;
  margin: auto;
}

.cup-small {
  background: #fff;
  border: 2px solid #144fc6;
  color: #144fc6;
  border-radius: 0 0 15px 15px;
  height: 95px;
  width: 50px;
  margin: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.3s;
}

.cup-small.full {
  background: #6ab3f8;
  color: #fff;
}