.button {
    display: inline-block;
    padding: 8% 8%;
    border-radius: 10rem;
    color: #212121;
    font-size: 1rem;
    letter-spacing: .15rem;
    transition: all .3s;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-decoration: none;
    width: 90%;
  }
  
  .button:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #cbcbcb;
    border-radius: 10rem;
    z-index: -2;
  }

  .button:active {
    color: #fff;
    background-color: #9a9a9a; /* Alterado para a cor mais escura */
  }
  
  .button:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: #9a9a9a; /* Alterado para uma cor aproximadamente 15% mais escura */
    transition: all .3s;
    border-radius: 10rem;
    z-index: -1;
  }
  
  .button:hover {
    color: #fff;
  }
  
  .button:hover:before {
    width: 100%;
  }
    .button1 {
    display: inline-block;
    padding: 8% 8%;
    border-radius: 10rem;
    color: #212121;
    font-size: 1rem;
    letter-spacing: .15rem;
    transition: all .3s;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-decoration: none;
    width: 90%;
  }
  
  .button1:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #9a9a9a;
    border-radius: 10rem;
    z-index: -2;
  }

  .button1::after {
    color: #9a9a9a;
    background-color: #9a9a9a; /* Alterado para a cor mais escura */
  }
  
  .button1:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: #9a9a9a; /* Alterado para uma cor aproximadamente 15% mais escura */
    transition: all .3s;
    border-radius: 10rem;
    z-index: -1;
  }
  
  .button1:hover {
    color: #fff;
  }
  
  .button1:hover:before {
    width: 100%;
  }
  
  * {
    font-family: Arial;
    text-decoration: none;
    font-size: 20px;
  }
  
  .container {
    padding-top: 50px;
    margin: 0 auto;
    width: 100%;
    text-align: center;
  }



h1{
    font-family: "Segoe UI";
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.5;
    text-decoration: none;
    text-transform: uppercase;
}
h2{
    border-radius: 9px;
    background: #cbcbcb;
    box-shadow:  7px 7px 14px #afafaf,
                -7px -7px 14px #e7e7e7;
    text-align: center;
}
.menu{
    float: left;
    width: 20%;
    text-align: center;
}
.menuitem{
    background-color: #1adbcb;
    padding: 8px;
    margin-top: 7px;
}
.main{
    float: left;
    width: 60%;
    padding: 0 20px;
}
.right{
    background-color: #c0e8ff;
    float:left;
    width: 20%;
    padding: 15px;
    margin-top: 7px;
    text-align: center;
}
button {
  font-family: monospace;
  background-color: #f3f7fe;
  color: #3b82f6;
  border: none;
  border-radius: 8px;
  width: 100px;
  height: 45px;
  transition: .3s;
}
button:hover {
  background-color: #3b82f6;
  box-shadow: 0 0 0 5px #3b83f65f;
  color: #fff;
}
@media only screen and (max-width: 620px){
    .menu, .main, .right
    {
        width: 100%;
    }
}