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

html {
  font-size: 62.5%;
}

body {
  font-family: "Trebuchet MS", sans-serif;
  font-size: 1.6rem;
  color: #f5f5f5;
  background: linear-gradient(to bottom, #090909, #030311);
  width: 100%;
}

h1 {
  margin-top: 60px;
  text-transform: uppercase;
  font-size: 46px;
  letter-spacing: 2px;
}

.container {
  width: 100%;
  height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.time-container {
  width: 90%;
  max-width: 500px;
  background: #3d3f4833;
  padding: 30px;
  margin-top: 60px;
  border-radius: 8px;
  box-shadow: 0 3px 8px #00000033;
}

.btn-time {
  width: 100%;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-time button {
  width: 30%;
  height: 100%;
  border-radius: 8px;
  border: 1px solid #f5f5f5;
  background: transparent;
  font-size: 1.6rem;
  font-weight: bold;
  color: #f5f5f5;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

.btn-time button:hover {
  background: #3742fa;
  border-color: #3742fa;
}

.time {
  text-align: center;
  padding: 30px 0;
  font-size: 12rem;
  color: #3742fa;
  margin: 30px 0;
}

.btn-start-container {
  width: 100%;
  height: 45px;
  display: flex;
  align-items: flex-start;
  transition: all 0.3s ease-in-out;
}

.btn-start-container:hover {
  align-items: flex-end;
}

#btn-start {
  width: 100%;
  height: 40px;
  border: 0;
  border-radius: 8px;
  font-size: 1.8rem;
  font-weight: bold;
  background: #3742fa;
  color: #f5f5f5;
  cursor: pointer;
  box-shadow: 0 5px 0 #3742fa77;
  /* transition: all 0.1s ease-in-out; */
}

#btn-start:hover {
  box-shadow: 0 0 0 #3742fa;
}

footer {
  width: 100%;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

footer a {
  color: #ffc500;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 460px) {
  html {
    font-size: 50%;
  }
}

@media (max-width: 380px) {
  html {
    font-size: 45%;
  }

  .time-container {
    padding: 15px;
  }
}