body {
  background-color: steelblue;
  color: #fff;
  font-family: "Muli", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: #f2f2fe;
  background-color: transparent;

  background-clip: padding-box;
  border-top: none;
  border-bottom: none;
  border-left: none;
  border-right: none;

  border-bottom: 2px solid #ced4da;
  border-radius: 0;

  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control input {
  background-color: transparent;
  border: 0;
  border-bottom: 2px #fff solid;
  display: block;
  width: 100%;
  padding: 15px 0;
  font-size: 18px;
  color: #fff;
  position: relative;
  z-index: 100;
}

input:focus {
  color: transparent;
}

input {
  background-color: transparent;
  border: 0;
  border-bottom-width: 0px;
  border-bottom-style: none;
  border-bottom-color: currentcolor;
  border-bottom: 2px #fff solid;
  display: block;
  width: 100%;
  padding: 15px 0;
  font-size: 18px;
  color: #fff;
}

.container {
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 5px;
}

#event-registration {
  width: 40%;
  margin: 3% 30%;
  padding: 2% 2%;
  border-radius: 5px;
  box-shadow: rgba(0, 0, 0, 0.56) 0px 22px 70px 4px;
}

section {
  padding: 30px 0;
  display: block;
}

.btn {
  cursor: pointer;
  display: inline-block;
  width: 100%;
  background: lightblue;
  color: black;
  padding: 15px;
  font-family: inherit;
  font-size: 16px;
  border: 0;
  border-radius: 5px;
}

.btn:focus {
  outline: 0;
}

.btn:active {
  transform: scale(0.98);
}

*,
::after,
::before {
  box-sizing: border-box;
}

.btn-primary:hover {
  color: black;
  background-color: lightblue;
  border-color: none;
}

@media screen and (max-width: 1024px) {
  #event-registration {
    width: 80%;
    margin: 10px 0;
    padding: 2% 2%;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.56) 0px 22px 70px 4px;
  }
}

@media screen and (max-width: 600px) {
  #event-registration {
    width: 100%;
    margin: 10px 0;
    padding: 2% 2%;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.56) 0px 22px 70px 4px;
  }

  section {
    display: block;
    overflow: visible;
  }
}
@media screen and (max-width: 400px) {
  body{
    overflow: auto;
  }
  section{
    overflow: auto;
  }
}

input[type="file"] {
  width: 100%;
  border: 1px solid white;
  border-radius: 24px;
  margin: 0 12px 15px;
  outline: none;
  padding: 8px 8px 8px 14px;
  box-sizing: border-box;
  transition: 0.3s;
  background: transparent;
  color: white;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}


.upload {
  margin-left: 0.9rem;
  margin-bottom: none;
}