.main{
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    width: 500px;
    top: 200px;
    font-family: 'Oswald', sans-serif;
}
.table{
    margin: 0 auto;
    margin-top: 0;
    border-collapse: collapse;
    width: auto;
    max-width: 90%;
}
.table-container {
    text-align: center;
}
select{
    background-color: rgba(111, 142, 163);
    padding: 10px 10px;
    border: 0px;
    border-radius: 5px;
    width: 84%;
}
input{
    border: 0;
    background: rgba(111, 142, 163);
    width: 85%;
    margin-left: 10px;
    padding: 10px;
    border-radius: 5px;
    border: 0px;
}
body{
   background: linear-gradient(45deg, #EECFBA, #C5DDE8);
}
h3{
    text-align: center;
}
h2{
    text-align: left;
}
form{
    padding: 20px;
    border: 1px solid;
    border-radius: 5px 10px;
}
.input-row{
    display: flex;
    align-items: center;
    margin: 10px 0px;
    justify-content: space-between;
}
.input-row label{
    width: 15%;
}
.buttonSend{
    padding: 7px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    margin: auto;
    display: flex;
    width: 250px;
    text-align: center;
    justify-content: center;
    margin-top: 20px;
}
.lessons-list {
    position: absolute;
    left: 0;
    top: 100px;
    width: 350px;
    font-family: 'Oswald', sans-serif;
    font-size: 14px;
}
.error-message{
  background-color: #cc0000;
  color: white;
  padding: 15px 20px;
  border-radius: 4px;
  text-align: center;
  max-width: 600px;
  margin: 20px auto;
  font-family: Arial, sans-serif;
  box-sizing: border-box;
}
.error-message h1{
  margin: 0 0 10px;
  font-size: 1.5rem;
  font-weight: bold;
}
.error-message p{
  margin: 0;
  font-size: 1rem;
  line-height: 1.3;
}
.oneButtonSend{
    padding: 7px;
    width: 250px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    cursor: pointer;
    display: flex;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.oneButtonForm{
   display: inline-block;
   width: auto;
   border: none;
   background: none;
   padding: 0;
   margin: 0 4px 0 0;
   box-shadow: none;
}
.button-link{
  display: inline-block;
  padding: 4px 4px;
  background-color: rgba(111, 142, 163);
  color: black;
  border-radius: 3px;
  text-decoration: none;
  box-shadow: 0 0 3px rgba(0,0,0,0.5);
  cursor: pointer;
  margin: 4px 0;
}
.button-link:hover {
  background-color: rgba(131, 162, 183);
}
.button-link-add{
  display: inline-block;
  padding: 4px 4px;
  background-color: rgba(111, 142, 163);
  color: black;
  border-radius: 3px;
  text-decoration: none;
  box-shadow: 0 0 3px rgba(0,0,0,0.5);
  cursor: pointer;
  margin: 4px 0;
}
.button-link-add:hover {
  background-color: rgba(131, 162, 183);
}