.but,
button {
  outline: none;
  border: none;
  background: inherit;
  padding: 10px;
  box-sizing: border-box !important;
}

.button-1 {
  text-align: center;
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid #4f4f4f;
  border-radius: 4px;
  transition: all 0.2s ease-in;
  position: relative;
  overflow: hidden;
  font-size: 19px;
  color: black;
  z-index: 1;
}

.button-1:before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%) scaleY(1) scaleX(1.25);
  top: 100%;
  width: 140%;
  height: 180%;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 50%;
  display: block;
  transition: all 0.5s 0.1s cubic-bezier(0.55, 0, 0.1, 1);
  z-index: -1;
}

.button-1:after {
  content: '';
  position: absolute;
  left: 55%;
  transform: translateX(-50%) scaleY(1) scaleX(1.45);
  top: 180%;
  width: 160%;
  height: 190%;
  background-color: #39bda7;
  border-radius: 50%;
  display: block;
  transition: all 0.5s 0.1s cubic-bezier(0.55, 0, 0.1, 1);
  z-index: -1;
}

.button-1:hover {
  color: #ffffff;
  border: 1px solid #39bda7;
}

.button-1:hover:before {
  top: -35%;
  background-color: #39bda7;
  transform: translateX(-50%) scaleY(1.3) scaleX(0.8);
}

.button-1:hover:after {
  top: -45%;
  background-color: #39bda7;
  transform: translateX(-50%) scaleY(1.3) scaleX(0.8);
}

.button-2 {
  text-align: center;
  background-color: #00bfa6;
  padding: 14px 40px;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 10px;
  border: 2px dashed #00bfa6;
  box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;
  transition: 0.4s;
}

.button-2 span:last-child {
  display: none;
}

.button-2:hover {
  transition: 0.4s;
  border: 2px dashed #00bfa6;
  background-color: #fff;
  color: #00bfa6;
}

.button-2:active {
  background-color: #87dbd0;
}

@media (max-width: 400px) {
  .button-2 {
    font-size: 11px;
  }
}

.button-3 {
  text-align: center;
  background-color: #eee;
  border: none;
  padding: 1rem;
  font-size: 1rem;
  width: 10em;
  border-radius: 1rem;
  color: lightcoral;
  box-shadow: 0 0.4rem #dfd9d9;
  cursor: pointer;
}

.button-3:active {
  color: white;
  box-shadow: 0 0.2rem #dfd9d9;
  transform: translateY(0.2rem);
}

.button-3:hover:not(:disabled) {
  background: lightcoral;
  color: white;
  text-shadow: 0 0.1rem #bcb4b4;
}

.button-3:disabled {
  cursor: auto;
  color: grey;
}

.button-4 {
  text-align: center;
  appearance: none;
  background-color: transparent;
  border: 0.125em solid #1a1a1a;
  border-radius: 0.9375em;
  box-sizing: border-box;
  color: #3b3b3b;
  cursor: pointer;
  display: inline-block;
  font-family: Roobert, -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif,
    'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
  font-size: 16px;
  font-weight: 600;
  line-height: normal;
  margin: 0;
  min-height: 3.75em;
  min-width: 0;
  outline: none;
  padding: 1em 2.3em;
  text-align: center;
  text-decoration: none;
  transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  will-change: transform;
}

.button-4:disabled {
  pointer-events: none;
}

.button-4:hover {
  color: #fff;
  background-color: #1a1a1a;
  box-shadow: rgba(0, 0, 0, 0.25) 0 8px 15px;
  transform: translateY(-2px);
}

.button-4:active {
  box-shadow: none;
  transform: translateY(0);
}

.button-5 {
  text-align: center;
  padding: 17px 40px;
  border-radius: 50px;
  border: 0;
  background-color: white;
  box-shadow: rgb(0 0 0 / 5%) 0 0 8px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 15px;
  transition: all 0.5s ease;
}

.button-5:hover {
  letter-spacing: 3px;
  background-color: hsl(261deg 80% 48%);
  color: hsl(0, 0%, 100%);
  box-shadow: rgb(93 24 220) 0px 7px 29px 0px;
}

.button-5:active {
  letter-spacing: 3px;
  background-color: hsl(261deg 80% 48%);
  color: hsl(0, 0%, 100%);
  box-shadow: rgb(93 24 220) 0px 0px 0px 0px;
  transform: translateY(10px);
  transition: 100ms;
}

@media (max-width: 400px) {
  .button-5 {
    font-size: 11px;
  }
}