#containers {
    padding-top: 100px;
 }

 .introduction {
   display: flex;
   flex-direction: column;
   justify-content: center;
   align-items: center;
   width: 85%;
   line-height: 2.5;
   margin-left: auto;
   margin-right: auto;
 }

 .introduction p:nth-child(1) {
   text-align: center;
   margin-bottom: 0;
   line-height: 1.5;
 }

 .introduction p:nth-child(3) {
   text-align: center;
   margin-top: 0;
   margin-bottom: 0;
   line-height: 1.5;
 }

 .list {
   padding: 0;
   display: flex;
   flex-direction: column;
   align-items: center;
   width: auto;
 }
 
 .register {
     margin-left: auto;
     margin-right: auto;
     margin-bottom: 75px;
     margin-top: 15px;
     background-color: rgb(221, 221, 221);
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     width: 500px;
 }

 .register h3 {
    margin-top: 50px;
    margin-bottom: 50px;
 }

 .pi {
   display: none;
}

#file-name {
   display: none;
   margin: 0;
}

.profile_image_input {
   background-color: slateblue;
   color: white;
   display: inline-block;
   cursor: pointer;
   width: 300px;
   height: 30px;
   border: none;
   border-radius: 30px;
   display: flex;
   justify-content: center;
   align-items: center;
}

 .new-profile-image {
   display: block;
   width: 100px;
   height: 100px;
   margin-top: 10px;
}

 .profile_image {
    width: 75%;
 } 

 .firstname,
 .lastname,
 .email,
 .password,
 .password-confirmation {
    width: 75%;
    margin-top: 50px;
 } 

 .firstname input,
 .lastname input,
 .email input,
 .password input,
 .password-confirmation input {
    width: 100%;
    font-size: 20px;
 } 


 .birthday {
    width: 75%;
    margin-top: 50px;
 } 

 .birthday-selects {
    margin-top: 25px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
 } 

 .day,
 .month,
 .year {
    width: 25%;
 }

 .day select,
 .month select,
 .year select {
    width: 100%;
 }

 .submission {
    margin-top: 25px;
    margin-bottom: 25px;
    margin-left: auto;
    margin-right: auto;
 }

 .submission input {
   font-family: 'Short Stack';
    background-color: slateblue;
    color:white;
    width: 150px;
    height: 50px;
    border: none;
    border-radius: 30px;
 }

 .pii_hover:hover,
 .si_hover:hover{
    background-color: rgb(125, 114, 198) !important;
} 


.no-display {
    display: none;
}

/* -- Upload de imagens -- */
/* .inputfile {
   width: 0.1px;
	height: 0.1px; 
	opacity: 0; 
	overflow: hidden;
	position: absolute; 
	z-index: -1;
} */

.image-upload {
   padding: 2.5%;
   font-size: 10px;
   color: white;
   background-color: black;
   display: inline-block;
   cursor: pointer;
   border-radius: 30px;
}

.inputfile:focus + .image-upload {
	outline: 1px dotted #000;
	outline: -webkit-focus-ring-color auto 5px;
}

.inputfile:focus + .image-upload,
.inputfile + .image-upload:hover {
   background-color: red;
}

.brightness {
   filter: brightness(75%);
}

.separator {
   display: none;
}

.error {
   color: red;
}

 /* --- Janela reduzida --- */
 
 @media screen and (max-width: 550px) {

   .register {
      width: 85%;
  }

  .profile_image_input {
      width: 100%;
      font-size: 15px;
  }

  .birthday-selects {
      flex-direction: column;
   } 

   .day,
   .month,
   .year {
      width: 100%;
  
   }
  
   .day select,
   .month select,
   .year select {
      margin-top: 15px;
      margin-bottom: 15px;
      width: 100%;
   }

  .firstname input,
  .lastname input,
  .email input,
  .password input,
  .password-confirmation input {
     font-size: 12.5px;
  } 
 

}

@media screen and (max-width: 460px) {
   .separator {
      display: block;
   }

   .error {
      font-size: 12.5px;
   }
}

@media screen and (max-width: 440px) {

   .register h3 {
       margin-top: 20px;
       margin-bottom: 20px;
    }

    .introduction,
    .list {
      font-size: 12.5px;
    }
    

}


@media screen and (max-width: 390px) {

   .profile_image_input {
      font-size: 10px;
  }
}

 @media screen and (max-width: 320px) {

   .pi {
      font-size: 11px;
   }

   #containers {
       width: 111.75%;
   }

}