:root {
        --color-white: #f3f3f3;
        --color-darkblue:#1b1b32;
        --color-darkblue-alpha: rgba(5, 21, 14, 0.8);
        --color-green: #37af65;
}

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

body {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.4;
  background: linear-gradient(45deg, rgb(118, 201, 255), rgb(247, 255, 222));
  color: var(--color-white);
  margin: 0;
}

/* mobile friendly alternative to using background-attachment: fixed */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index: -1;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;

}
h1 {
        font-weight: 400;
        line-height: 1.2;
        color: #434351;
} 

p {
        font-size: 1.125rem;
}

h1,
p {
        margin-top: 0;
        margin-bottom: 0.5rem;
}

label {
        display: flex;
        align-items: center;
        font-size: 1.125rem;
        margin-bottom: 0.5rem;
}

input,
button,
select,
textarea {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  border: none;
}

.container {
  width: 100%;
  margin: 3.125rem auto 0 auto;
}

.header {
    padding: 0 0.625rem;
    margin-bottom: 1.875rem;
    padding-top: 2%;
    padding-bottom: 2%;
    background: linear-gradient(45deg, rgb(33, 98, 142), rgb(72, 146, 75));
}
  
.description {
    font-style: italic;
    font-weight: 200;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.4);
}

.clue {
  margin-left: 0.25rem;
  font-size: 0.9rem;
  color: #e4e4e4;
}

.text-center {
  text-align: center;
}
/*form*/
form {
    background: var(--color-darkblue-alpha);
    padding: 2.5rem 0.625rem;
    border-radius: 0.25rem;
}

@media (min-width: 480px) {
  form {
    padding: 2.5rem;
  }
}
.form-control {
    display: block;
    width: 100%;
    height: 2.375rem;
    padding: 0.375rem 0.75rem;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.form-group {
    margin: 0 auto 1.25rem auto;
    padding: 0.25rem;
    
}

.form-control:focus {
  border-color: #80bdff;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.input-radio,
.input-checkbox {
   display: inline-block;
   margin-right: 0.625rem;
   min-height: 1.25rem;
   min-width: 1.25rem;
}
.input-textarea {
   min-height: 120px;
   width: 100%;
   padding: 0.625rem;
   resize: vertical;
}

 .submit-button {
  display: block;
  width: 100%;
  padding: 0.75rem;
  background: var(--color-green);
  color: inherit;
  border-radius: 2px;
  cursor: pointer;
}
@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}  

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}