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

body {
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: #f0f0f0;
}

h1,
h2 {
  text-align: center;
  margin-bottom: 20px;
}

.container {
  background-color: #fff;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

input[type="text"] {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 3px;
  box-sizing: border-box;
}

button {
  background-color: #4caf50;
  color: white;
  padding: 10px 20px;
  margin: 10px 0;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

a {
  color: #337ab7;
  text-decoration: none;
}

.author {
  width: fit-content;
  margin-top: 10px;
  margin-bottom: 20px;
}

.button {
  background-color: #4caf50;
  color: white;
  padding: 10px 20px;
  margin: 10px 0;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

.container h2 {
  margin-top: 20px;
}

.container input[type="text"],
.container input[type="number"],
.container input[type="date"] {
  width: calc(100% - 120px);
  display: inline-block;
  margin-right: 10px;
}

.container button {
  display: inline-block;
  vertical-align: middle;
}

#userCreatedMsg,
#exerciseAddedMsg,
#logsMsg {
  margin-top: 10px;
  font-weight: bold;
}

.subtitle {
  text-align: left;
}

.back {
  margin-bottom: 50px;
}