.two-cols {
     display: flex;
     margin-bottom: 15px;
 }

 label {
     font-family: 'Open Sans';
 }

 .upload {
     border: 1px solid rgba(255, 255, 255, 0.35);
     padding: 1% 3%;
     color: rgba(255, 255, 255, 0.35);
     border-radius: 2px;
     width: 90%;
 }

 legend {
     color: #fff;
     font-family: 'Open sans';
     font-size: calc(20px + 0.25vw);
     text-decoration: underline;
 }

 fieldset:nth-of-type(even) {
     margin-top: 45px;
 }

 .possible {
     color: rgba(255, 255, 255, 0.35) !important;
     font-size: calc(16px + 0.15vw) !important;
     margin-bottom: 20px;
     margin-top: 8px;
 }

 .small-margin {
     margin-top: 20px;
 }

 #ft-form {
     padding: 2rem 8rem;
     width: 80%;
 }

 input#file-upload-button {
     background-color: #707070;
     color: #232323;
 }

 form .input_box {
     width: 50%;
     margin-top: 30px;
     position: relative;
     color: #707070;
 }

 form .input_box input {
     width: 90%;
     border: none;
     outline: none;
     font-size: 25px;
     padding: 7px 0px;
     border-bottom: 2px solid #707070;
     font-family: 'Open Sans';
 }

 form .input_box label {
     position: absolute;
     left: 0px;
     font-size: 25px;
     top: 8px;
     pointer-events: none;
     transition: 0.2s;
     font-size: calc(16px + 0.15vw);
 }

 form .input_box input:focus+label,
 form .input_box input:valid+label {
     top: -15px;
     font-size: 18px;
     color: rgba(255, 255, 255, 0.35);
 }

 form .input_box input:focus, form .input_box input:valid {
     color: #fff;
 }

 .labello {
     color: #fff;
     display: flex;
     flex-direction: column;
     gap: 5px;
     width: 50%;
 }

 /* Adjusted selector to target the bottom border color */
 form .input_box input:focus,
 form .input_box input:valid {
     color: #fff;
     border-bottom-color: #fff;
 }

 .submit {
     background-color: #fff;
     border: none;
     color: #232323;
     padding: 15px 32px;
     text-align: center;
     text-decoration: none;
     display: inline-block;
     font-size: 16px;
     border-radius: 8px;
     cursor: pointer;
     font-family: 'Josefin sans';
     font-weight: 600;
 }

 @media screen and (max-width: 768px) {
     #ft-form {
         padding: 0;
         width: 80%;
         margin: auto;
         margin-top: 5%;
     }

     .two-cols {
         flex-direction: column;
     }

     form .input_box {
         width: 100%;
     }
     .labello {
        width: 100%;
        margin-top: 15px;

     }
     .upload {
        padding: 3% 5%;
     }
     .btns {
        display: flex;
        justify-content: center;
     }
     .container-background {
        padding-bottom: calc(7rem + 15%);
     }
 }