header, #container{
  margin: 30px auto;
  max-width: 700px;
}
h1{
  font-size: 4em;
  margin: 0 auto;
}
#form{
  margin: 15px auto;
  
}
#add_input{
  margin: 0 auto;
  max-width: 500px;
  min-width: 400px;
  height: 45px;
  background-color: rgb(137, 136, 185);
  color: azure;
  border: 3px solid rgb(255, 254, 254);
  border-radius: 30px;
  font-size: 1.5rem;
  font-weight: bold;
  font-family: sans-serif;
  }
  .input_list{
  margin: 2px 18px;
  max-width: 400px;
  min-width: 350px;
  height: 39px;
  border: none;
  background-color: rgba(254, 249, 224, 0.301);
  font-size: 1.5rem;
  font-weight: bold;
  font-family: serif;
  margin-right: 8px;

}


/* CSS */
.button-80 {
  background: #fff;
  backface-visibility: hidden;
  border-radius: .375rem;
  border-style: solid;
  border-width: .125rem;
  box-sizing: border-box;
  color: #212121;
  cursor: pointer;
  display: inline-block;
  font-family: Circular,Helvetica,sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.3;
  padding: .875rem 1.125rem;
  position: relative;
  text-align: left;
  text-decoration: none;
  transform: translateZ(0) scale(1);
  transition: transform .2s;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.button-80:not(:disabled):hover {
  transform: scale(1.05);
}

.button-80:not(:disabled):hover:active {
  transform: scale(1.05) translateY(.125rem);
}

.button-80:focus {
  outline: 0 solid transparent;
}

.button-80:focus:before {
  content: "";
  left: calc(-1*.375rem);
  pointer-events: none;
  position: absolute;
  top: calc(-1*.375rem);
  transition: border-radius;
  user-select: none;
}

.button-80:focus:not(:focus-visible) {
  outline: 0 solid transparent;
}

.button-80:focus:not(:focus-visible):before {
  border-width: 0;
}

.button-80:not(:disabled):active {
  transform: translateY(.125rem);
}

/* CSS */
#submit {
  background-color: #fbeee0;
  border: 2px solid #422800;
  border-radius: 30px;
  box-shadow: #422800 4px 4px 0 0;
  color: #422800;
  cursor: pointer;
  display: inline-block;
  font-weight: 600;
  font-size: 18px;
  padding: 0 18px;
  line-height: 50px;
  text-align: center;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

#submit:hover {
  background-color: #fff;
}

#submit:active {
  box-shadow: #422800 2px 2px 0 0;
  transform: translate(2px, 2px);
}

@media (min-width: 768px) {
  #submit {
    min-width: 120px;
    padding: 0 25px;
  }
}