body,ul,ol,h1,h2,a{
    margin: 0;
    padding: 0;
    width: 100%;
    cursor: context-menu;
}
:root{
    --color: rgb(255, 144, 0);
}
#header .head{
    width: 100%;
    height: 450px;
    position: absolute;
    top: 0;
    z-index: 1;
}
#header .fix{
    width: 100%;
    position: fixed;
    top:0px;
}
.header {
    margin-top: 450px;
    display: flex;
    background-color: rgb(98, 91, 91);
    position: sticky;
}
.header a{
    padding: 20px;
    color: rgb(255, 250, 250);
    text-decoration: none;
    text-align: center;
    font-family: 'Courier New', Courier, monospace;
    font-size: 25px;
    outline: none;
}
.header a:hover{
    text-shadow: 2px 2px 2px white ;
    cursor: pointer;

}
.main p{
    font-size: 18px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    padding: 20px 20px 0 20px;
    line-height: 35px;
    text-align: center;
    font-size: 20px;
}
.main .or{
    color: orangered;
}
.main .rules{
    color: rgb(34, 41, 86);
    font-size: 20xp;
}
.main .rule{
    font-size: 20px;
    font-weight: bold;
    color: rgb(0, 0, 0);
}
.main .spac{
    line-height: 35px;
    font-size: 25px;
    letter-spacing: 5px;
    color: black;
}
.main .formu{
    color: rgb(255, 144, 0);
    font-size: 30px;
    padding: 5px;
    cursor: pointer;
}
.main .formu:hover{
    background-color: rgb(0, 0, 0);
    border-radius: 40px;
}
.main .n{
    color: rgb(255, 144, 0);
}
#history{
    padding: 0 20px 20px 20px;
}
.history{
    font-size: 30px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 500px;
}
.history:hover{
    text-shadow: 2px 2px 2px rgb(0, 0, 0) ;
    cursor: pointer;
}
#history .orgin{
    font-size: 18px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    padding: 20px 20px 0 20px;
    line-height: 35px;
    font-size: 20px;
}
#history .orgin2{
    display: flex;
    font-size: 18px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    padding: 20px 20px 0 20px;
    line-height: 35px;
    font-size: 20px;
}
.name{
    position: absolute;
    top: 1560px;
    left: 1060px;
    font-size: 15px;
}
.orgin .names{
    color: var(--color) ;
    font-size: 25px;
}
.year{
    color: var(--color);
}
#sol{
    padding: 20px;
    background-color: black;
}
#sol .sol{
    font-size: 30px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 500px;
    color: white;
}
.sol:hover{
    text-shadow: 2px 2px 2px rgb(255, 255, 255) ;
    cursor: pointer;
}
.for{
    color: var(--color);
    font-size: 23px;
    margin-left: 100px;
}   
.but{
    display: flex;
}
.btn{
    margin: 50px;
}
.chat{
    position: fixed;
    width: 50px;
    top: 85%;
    left: 94%;
    cursor: pointer;
}

.back{
    background-color: black;
    width: 50px;
    height: 30px;
    border-radius: 40px;
    position: fixed;
    top: 2%;
    left: 95%;
    z-index: 1;
    border: none;
    cursor: pointer;
}
.light{
    position: fixed;
    top: 2.5%;
    left: 95.2%;
    z-index: 1;
    border-radius: 20px;
    width: 23px;
    height: 23px;
    padding: 1px;
    border: none;
    background-image: url(image/icons8-moon-50.png);
}
footer{
    text-align: center;
    color: whitesmoke;
    background-color: rgb(43, 42, 42);
    font-size: 20px;
    padding: 10px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
:root{
    --background: #40B3A2;
  }
  .btn {
      outline: 0;
      justify-content: space-between;
      background: var(--background);  
      min-width: 200px;
      border: 0;
      border-radius: 4px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
      box-sizing: border-box;
      padding: 16px 20px;
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 1.2px;
      text-transform: uppercase;
      overflow: hidden;
      cursor: pointer;
    }
    
    .btn:hover {
      opacity: .95;
          outline: 0;
          display: inline-flex;
          align-items: center;
          justify-content: space-between;
          background: var(--background);
          min-width: 200px;
          border: 0;
          border-radius: 4px;
          box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
          box-sizing: border-box;
          padding: 16px 20px;
          color: #000000;
          font-size: 12px;
          font-weight: 600;
          letter-spacing: 1.2px;
          text-transform: uppercase;
          overflow: hidden;
          cursor: pointer;
  }
  
    
    .btn .animation {
      border-radius: 100%;
      animation: ripple 0.6s linear infinite;
    }
    
    @keyframes ripple {
      0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1), 0 0 0 20px rgba(255, 255, 255, 0.1), 0 0 0 40px rgba(255, 255, 255, 0.1), 0 0 0 60px rgba(255, 255, 255, 0.1);
      }
    
      100% {
        box-shadow: 0 0 0 20px rgba(255, 255, 255, 0.1), 0 0 0 40px rgba(255, 255, 255, 0.1), 0 0 0 60px rgba(255, 255, 255, 0.1), 0 0 0 80px rgba(255, 255, 255, 0);
      }
    }