button{
    outline: none;
    border: none;
    background: inherit;
  }

  .button-1 {
    --bg: #e74c3c;
    --text-color: #fff;
    position: relative;
    width: 150px;
    border: none;
    background: var(--bg);
    color: var(--text-color);
    padding: 1em;
    font-weight: bold;
    text-transform: uppercase;
    transition: 0.2s;
    border-radius: 5px;
    opacity: 0.8;
    letter-spacing: 1px;
    box-shadow: #c0392b 0px 7px 2px, #000 0px 8px 5px;
  }
  
  .button-1:hover {
    opacity: 1;
  }
  
  .button-1:active {
    top: 4px;
    box-shadow: #c0392b 0px 3px 2px,#000 0px 3px 5px;
  }
  
  .button-2 {
    color: #090909;
    padding: 0.7em 1.7em;
    font-size: 18px;
    border-radius: 0.5em;
    background: #e8e8e8;
    border: 1px solid #e8e8e8;
    transition: all .3s;
    box-shadow: 6px 6px 12px #c5c5c5,
               -6px -6px 12px #ffffff;
  }
  
  .button-2:hover {
    border: 1px solid white;
  }
  
  .button-2:active {
    box-shadow: 4px 4px 12px #c5c5c5,
               -4px -4px 12px #ffffff;
  }
  .button-3 {
    background: rgb(240, 235, 235);
    font-family: inherit;
    padding: 0.6em 1.3em;
    font-weight: 900;
    font-size: 18px;
    border: 3px solid black;
    border-radius: 0.4em;
    box-shadow: 0.1em 0.1em;
  }
  
  .button-3:hover {
    transform: translate(-0.05em, -0.05em);
    box-shadow: 0.15em 0.15em;
  }
  
  .button-3:active {
    transform: translate(0.05em, 0.05em);
    box-shadow: 0.05em 0.05em;
  }
  
  
  .button-4 {
    color: rgb(225, 215, 225);
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid rgb(225, 215, 225);
    padding: 10px 20px;
    font-size: 17px;
    font-weight: bold;
    background: transparent;
    position: relative;
    transition: all 1s;
    overflow: hidden;
  }
  
  .button-4:hover {
    color: white;
  }
  
  .button-4::before {
    content: '';
    position: absolute;
    height: 100%;
    width: 0%;
    top: 0;
    left: -40px;
    transform: skewX(45deg);
    background-color: purple;
    z-index: -1;
    transition: all 1s;
  }
  
  .button-4:hover::before {
    width: 160%;
  }

  .button-5 {
    background-color: #eee;
    border: none;
    padding: 1rem;
    font-size: 1rem;
    width: 10em;
    border-radius: 1rem;
    color: rgb(119, 117, 117);
    box-shadow: 0 0.4rem #dfd9d9;
    cursor: pointer;
   }
   
   .button-5:active {
    color: white;
    box-shadow: 0 0.2rem #dfd9d9;
    transform: translateY(0.2rem);
   }
   
   .button-5:hover:not(:disabled) {
    background: rgb(84, 9, 9);
    color: white;
    text-shadow: 0 0.1rem #bcb4b4;
   }
   
   .button-5:disabled {
    cursor: auto;
    color: grey;
   }