body {
    font-size: 1rem;
    line-height: 1.5;
    font-family: "Roboto", sans-serif;
    color: #212529;
    background-color: #fff;
    margin: 0;
    }

    * {
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
   box-sizing: border-box;
}


img {
   width: 100%;
   height: auto;
}
/* Responsive Grid */

.container {
   width: 100% auto;
   max-width: 1145px;
   margin: 0 auto;
   box-sizing: border-box;
   padding: 0 20px;
   position: relative;
}
.row {
   clear: both;
}
/* Columns */

.col {
   float:none;
   margin: 0 0 0 0;
   box-sizing: border-box;
}
.col:last-child {
   margin-right: 0;
}
.three.col {
   width: 20%;
}

/* For Relic Browsers */
.col.last {
   margin: 0;
}

/* Mobile Devices */

@media all and (max-width: 550px) {
  
   .three.col {
      float: none;
      width: 100%;
   }
   .hide-on-mobile {
      display: none !important;
      width: 0;
      height: 0;
   }
}
.container:after,
.row:after {
   content: "";
   display: table;
   clear: both;
}

/* Hr */

hr {
   border: 0;
   height: 1px;
   background: #eeeeee;
   clear: both;
}

/* Typography */

p {
   margin-top: 0;
   margin-bottom: 1rem;
   line-height: 1.5;
}
h1,
h2,
h3,
h4,
h5,
h6 {
   font-family: inherit;
   font-weight: 700;
   line-height: 1.1;
   color: inherit;
   margin-top: 1.5rem;
   margin-bottom: 1rem;
   text-transform: uppercase;
}
h1 {
   font-size: 1rem;
}
h2 {
   font-size: 1rem;
   margin: 1.5rem 0;
}
h2:after {
   content: "";
   display: block;
   width: 50px;
   height: 7px;
   background: #ff4136;
   margin: 0 auto;
   margin-top: 20px;
}
h3 {
   font-size: 1rem;
}
h4 {
   font-size: 1rem;
}
h5 {
   font-size: 1rem;
}
h6 {
   font-size: 1rem;
}
p {
   font-family: "Roboto", sans-serif;
}


    .converter-container {
      max-width: 400px;
      margin: 20px auto;
      padding: 20px;
      border: 1px solid #ccc;
      border-radius: 5px;
      box-shadow: 0 4px 6px #999999, 0 6px 15px #888888;
    }


     .calculator-container {
      max-width: 300px;
      margin: 20px auto;
      padding: 20px;
      border: 1px solid #ccc;
      border-radius: 5px;
      box-shadow: 0 4px 6px #999, 0 6px 15px #888;    

    }

    .display {
      width: 100%;
      height: 40px;
      padding: 5px;
      margin-bottom: 10px;
      font-size: 20px;
      border: 1px solid #ccc;
      border-radius: 5px;
      text-align: right;
      justify-content: center;
      
    }


    .button-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      grid-gap: 5px;
    }


    .button-calc {
      padding: 10px;
      font-size: 18px;
      cursor: pointer;
      background-color: #f0f0f0;
      border: 1px solid #ccc;
      border-radius: 5px;
      text-align: center;
    }

    .button.operator {
      background-color: #e0e0e0;
      padding: 10px;
      font-size: 18px;
      cursor: pointer;
      border: 1px solid #ccc;
      border-radius: 5px;
      text-align: center;
    }

.bold {
   font-weight: 700;
}
button:hover {
   opacity: 0.7;
}


    .input-group {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
    }
    label {
      font-weight: bold;
    }
    input {
      width: 150px;
    }


    button {
      padding: 8px 16px;
      font-size: 16px;
      cursor: pointer;
      margin: 0px 0px 10px 0px;
      border-radius: 5px;
      border: none;
      box-shadow: 0 4px 6px #999, 0 6px 15px #888;    
    transition: all 0.3s ease-in-out;
    background-color: #fff;

    }



    input[type="date"] {
      padding: 8px;
      font-size: 16px;
      border: 1px solid #ccc;
      border-radius: 5px;
      outline: none;
    }
    /* Hide the default arrow on the date picker */
    input[type="date"]::-webkit-calendar-picker-indicator {
      display: none;
    }
    /* Show a custom icon or text for the date picker */
    .date-picker-icon {
      cursor: pointer;
    }
    /* Customize the appearance of the date picker popup (optional) */
    input[type="date"]::-webkit-calendar-picker-indicator:hover {
      background-color: #f0f0f0;
    }
    input[type="date"]::-webkit-calendar-picker-indicator::before {
      content: "📅";
    }


    

/* Header */

header {
   padding: 20px 0;
  position: fixed;
  width: 100%;
  z-index: 999;
  background-color: rgba(0, 31, 63, 0.466); 
  backdrop-filter: blur(0px); 
  opacity: 1; 
  margin-top: 0px;
}
.scrolled {
   background: #000;
}
header .logo {
   font-weight: 700;
   text-transform: uppercase;
   color: #ffffff;
   margin-top: 0;
   position: absolute;
   top: -10px;
   font-size: 2rem;
}

.logo {
   width: 55px;
   height: 55px;
   box-shadow: 2px 2p 2px 2px white;
}
header .mainNav {
   top: 0px;
   max-height: 30px;
   z-index: 99;
   width: 100%;
   overflow: hidden;
   -webkit-transition: all 0.3s;
   transition: all 0.3s;
}
header .openNav {
   max-height: 300px !important;
}
header nav {
   width: 100%;
}
header nav ul {
   list-style: none;
   overflow: hidden;
   text-align: right;
   padding: 0;
   margin: 0;
}
header nav ul li {
   display: inline-block;
   margin-left: 50px;
}
header nav ul a {
   text-decoration: none;
   color: #ffffff;
   text-transform: uppercase;
   font-size: 0.9em;
   font-weight: 700;
}

header nav ul a:hover {
   color: #ff4136;
}
header .mobileToggle {
   display: none;
   cursor: pointer;
   font-size: 20px;
   position: absolute;
   right: 20px;
   top: 6px;
   width: 30px;
}
header .mobileToggle span {
   width: 25px;
   height: 2px;
   margin-bottom: 6px;
   background: #ffffff;
   display: block;
}

@media only screen and (max-width: 550px) {
   header nav {
      width: 100%;
   }
   header nav ul {
      padding-top: 0px;
      margin-bottom: 22px;
      text-align: center;
      width: 100%;
   }
   header nav ul li {
      width: 100%;
      padding: 7px 0;
      margin: 0;
   }
   header nav ul li:first-child {
      margin-top: 70px;
   }
   header .mobileToggle {
      display: block;
   }
}
/* Hero One */

#hero {
   background: #001f3f;
   padding: 200px 0 120px 0;
   text-align: center;
   width: 100%;
}

#hero h2 {
   text-align: center;
   font-size: 4.6em;
   text-transform: capitalize;
   margin-top: 0;
   line-height: 1;
   color: #ff4136;
   font-weight: 300;
}
#hero h2:after {
   display: none;
}

#hero p {
   color: rgb(255, 255, 255, 0.7);
   font-size: 1rem;
   text-transform: uppercase;
   letter-spacing: 2px;
   font-weight: normal;
   line-height: 21px;
   text-align: center;
   width: 60%;
   display: block;
   margin: 0 auto;
   padding-bottom: 40px;
}
#hero .button {
   border: 0;
   color: #fff;
   height: 50px;
   line-height: 48px;
   font-size: 0.9rem;
   padding: 0 40px;
   background: #ff4136;
   display: inline-block;
   margin: 0 auto;
   font-family: "Roboto", sans-serif;
   text-transform: uppercase;
   font-weight: 700;
}
#hero .white {
   color: #fff;
   font-weight: 700;
}

@media all and (max-width: 550px) {
   #hero button {
      margin-bottom: 20px;
   }
   #hero h2 {
      font-size: 2.2em;
   }
   #hero p {
      font-size: 0.8em;
      line-height: 21px;
      width: 100%;
   }
}