* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
  }
  
  body {
    font-family: 'Roboto Condensed', sans-serif;
    background-image: url(../images/abstract.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    color: white;
  }
  
  #wraper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  #all {
    width: 450px;
    padding: 30px;
    background: linear-gradient(90deg, rgba(41,14,193,1) 0%, rgba(7,7,134,1) 100%);
    border-radius: 10px;
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
  }
  
  h1 {
    margin-right: 40px;
    margin-bottom: 20px;
  }
  
  form label {
    display: block;
    margin-bottom: 10px;
    font-size: 18px;
  }
  
  form input[type="number"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: none;
    border-radius: 5px;
    background-color: #EDEDED;
    font-size: 18px;
  }
  
  input[type=number]::-webkit-outer-spin-button,
  input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  
  form input[type="submit"] {
    width: 40%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #0e94c1;
    color: white;
    font-size: 18px;
    transition: background-color 0.2s ease;
  }
  
  form input[type="submit"]:hover {
    background-color: #2f0c69 ;
  }
  
  .input-wrapper {
    display: inline-block;
    position: relative;
  }

  #pohlavi {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    font-size: 16px;
    line-height: 1.5;
    color: #555;
    background-color: #fff;
    border: none;
    border-radius: 5px;
    margin-bottom: 20px;
}

  .input-addon {
    position: absolute;
    top: 0;
    right: 0;
    padding-right: 8px;
    height: 65%;
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #333;
    background-color: #f0f0f0;
    border-radius: 0 3px 3px 0;
  }
  
  .input-wrapper input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    font-size: 16px;
    line-height: 1.5;
    color: #555;
    background-color: #fff;
  }
  
  .input-wrapper input:focus {
    outline: 0;
    border-color: #66afe9;
    box-shadow: 0 0 0 3px rgba(102,175,233,.6);
  }
  button {
    float: left;
    background-color: transparent; 
    border: none;
    color: white;
    text-align: center;
    display: inline-block;
    font-size: 10px;
    padding-top: 2px;
    margin: 5px;
    cursor: pointer;
  }
  button:before {
    content: "\21a9";
    margin: 0px 5px;
    font-size: 25px;
  }