CSS for Parse ToDo

ParseToDo.css

body {
    background: #eee;
    text-align: center;
    padding: 0 25px;
}

#main {
    width: 500px;
    margin: auto;
    text-align: left;
    background: white;
    padding: 50px 60px;
    border: solid #ddd;
    border-width: 0 1px 1px 1px;
}

#main h1 {
    margin-top: 0;
    font-size: 35px;
}

#main ul {
    padding-left: 20px;
}

#main .error {
    border: 1px solid red;
    background: #FDEFF0;
    padding: 20px;
}

#main .success {
    margin-top: 25px;
}

#main .success code {
    font-size: 12px;
    color: green;
    line-height: 13px;
}

.input-container{

}
#task{
  width: 100%;
  padding: 15px;
  font-size: 1.4em;
  border-radius: 3px;
  border: 1px solid #aaa;
  box-sizing: border-box;
}
.button-container{
  margin: 30px;
}
#saveTask{
  width: 100%;
  padding: 10px;
  background: transparent;
  border: 1px solid #ccc;
  border-radius: 3px;
}
#saveTask:hover,
#saveTask:focus{
  background-color: #eee;
  outline: none;
}
#saveTask:active{
  background-color: #555;
  color:#fff;
  border: 1px solid #555;
  outline: none;
}
ul{
  list-style: none;
  margin: 0;
  padding: 0;
}
li{
  padding-left: 15px;
  position: relative;
}
li.strikethrough{
  text-decoration: line-through;
}
li .change-task-status{
  position: absolute;
  left: 0;
  margin-top: 4px;
  margin-left: -10px;
}