body{
    margin: 0;
    padding: 0;
    background: linear-gradient(120deg,#f4f6f7, #a598aa);
    height: 100vh;
    overflow: hidden;
  }

  .center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    background: white;
    border-radius: 10px;
    box-shadow: 10px 10px 15px rgba(0,0,0,0.05);
  }

  .center h1{
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid rgb(233, 229, 229);
  }

  .center form{
    padding:0 40px;
    box-sizing: border-box;
  }

  form .butn{
      position: relative;
      padding: 10px 10px 10px 10px;
  }

  form .txt_field{
    position: relative;
    border-bottom: 2px solid #adadad;
    margin: 30px 0;
  }

  .txt_field input{
    width: 100%;
    padding: 0 5px;
    height: 40px;
    font-size: 16px;
    border: none;
    background: none;
    outline: none;
  }
  .txt_field label{
    position: absolute;
    top: 50%;
    left: 5px;
    color: #74f0a3;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    transition: .5s;
  }

  .txt_field span::before{
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 0%;
    height: 2px;
    background: #69b2e2;
    transition: .5s;
  }
  .txt_field input:focus ~ label,
  .txt_field input:valid ~ label{
    top: -5px;
    color: #68abd8;
  }
  .txt_field input:focus ~ span::before,
  .txt_field input:valid ~ span::before{
    width: 100%;
  }

  input[type="submit"]{
    width: 100%;
    height: 50px;
    border: 1px solid;
    background: #468fc0;
    border-radius: 25px;
    font-size: 18px;
    color: #e9f4fb;
    font-weight: 700;
    cursor: pointer;
    outline: none;
  }
  .log{
    background-color: rgb(236, 242, 248);
    position: fixed;
    width: 100%;
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
    z-index: 2;
  }
  .sign{
    margin:0 1% 1% 1%;
    display: flex;
    padding-top: 1%;
    }
    .home{
    position: fixed;
    width: 100%;
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
    background-color: rgb(248, 252, 248);
    z-index: 2;
    }
    .logo{
        display: flex;
        margin-left: 2%;
    }
    .logo h1{
        margin-top: 0%;
        font-family: 'Times New Roman', Times, serif;
        font-weight: bold;
        color: rgb(0, 111, 149);
    }
    .logo h2{
        margin: 5% 0% 0% 5%;
        font-family: 'Times New Roman', Times, serif;
        font-weight: bold;
        color: rgb(2, 18, 23);
    }
    .signin{
        display: flex;
        width: 70%;
        margin: 0 0 0 5%;
    }
    .signin button{
        height: 75%;
        width: 25%;
        font-size: large;
        margin: 0.5% 5% 0% 2%;
        border: none;
        border-bottom: 2px;
        cursor: pointer;
        border-radius: 10px;
    }
    .signin button a{
        text-decoration: none;
        color: #060606;
    }
    .line{
        margin-top: -1%;
        border: 1px solid;
        color: rgb(238, 121, 3);
    }  
    .search{
        margin: 0.5% 0 0 10%;
        width: 150%;
    }
    .search form{
        display: flex;
        
    }
    .search input[type=text]{
        border-radius:10px;
        border: rgb(10, 8, 8);
        width: 150%;
        height: 35px;
        border: solid black 1px;
    }    
    .search button{
        color: #060606;
        padding: 5px 10px;
        font-size: 12px;
        border: none;
        cursor: pointer;
        margin: 0 0 0 2%;
        border-radius: 5px;
    }
    .bar{
        margin: 1% 0 0 0;
        padding-bottom: 0.5%;
    }
    .bar ul{
        display: flex;
        list-style: none;
    }
    .bar nav{
        margin: 0 0 0 1%;
    }
    .bar li{
        margin: 0 0 0 2%;
        font-size: large;
        font-family:'Times New Roman', Times, serif;
    }
    .bar nav li a{
        text-decoration: none;
        color: rgb(0, 4, 7);
        font-size:large;
        padding: 10px;
        border-radius: 2px;
    }
    .bar a:hover{
        color: rgb(245, 245, 245);
        background-color: black;
    }
    a{
      text-decoration: none;
    }