*{
  margin: 0;
  padding: 10px;
  box-sizing: border-box;
}

html,body{

  background-color:#e6f2ff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;

  /* display: grid;
  place-items: center;
  text-align: center;
  background-color:#e6f2ff; */
}

h3{
  color: #00264d;
  padding: 0px;
}

.tStudent{
  font-size: 11px;
  text-align: left;
}
.container{
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  width: 400px
  max-width:100%;
  /* background: #fff;
  padding: 20px 20px 20px;
  width: 600px;
  height: 100%;
  border-radius: 5px;
  box-shadow: 0 0 15px rgba(0,0,0,0.2); */
}

.complex_container{
  margin: 10px auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 565px;
  border-radius: 5px;
  font-size: 25px;
}

.complex_label{
  flex: 1 100%;
}

.complex_item{
border: 1px solid #7E7E7E;
border-radius: 3px;
flex: 1;
max-width: 60px;
height: 60px;
text-align: center;
appearance: none;
padding-top: 5px;
font-size: 25px;
margin-bottom: 10px;
}

.form{
  padding: 30px 40px;
}

.form-control{
  margin-bottom: 10px;
  padding-bottom: 20px;
  position: relative;
}

.form-control label{
  display: inline-block;
  margin-bottom: 5px;

}

.form-control input{
  border: 2px solid #f0f0f0;
  border-radius: 4px;
  display: block;
  font-family: inherit;
  font-size: 14px;
}

.form-control.success input{
  border-color: #2ecc71;
}

.form-control.error input{
  border-color: #e74c3c;
}

.form-control.success i.fa-check-circle{
  color: #2ecc71;
  visibility: visible;
}

.form-control.success i.fa-exclamation-circle{
  color: #e74c3c;
  visibility: visible;
}

.form-control i {
  position: absolute;
  top: 40px;
  right: 10px;
  visibility: hidden;
}

.form-control small {
  visibility: hidden;
  position: absolute;
  bottom: 0;
  left: 0;
}

/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}

.complex_item span{
  margin-top: 12px;
  display: block;
}

.myInput{
  width: 300px;
}

#button{
  padding:10px;
  border:none;
  background-color:#003399;
  color:#fff;
  font-weight:750;
  border-radius:5px;
  width:120px;
  transition: all 0.5s ease-in-out;
  height: 36px;
  letter-spacing: 3px;
  display: block;
  margin: 0 auto;
}
#button:hover{
  /* font-weight: 900; */
  transform: scale(1.05);
  background-color: #23348f;
}