neumorphic.css

/* https://redstapler.co/css-neumorphic-login-form-design/ */

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  font-family: "Lato", sans-serif;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  background: #ecf0f3;
}
.login-div {
  width: 430px;
  height: 640px;
  padding: 60px 35px 35px 35px;
  border-radius: 40px;
  background: #ecf0f3;
  box-shadow: 13px 13px 20px #cbced1, -13px -13px 20px #ffffff;
}
.logo {
  background: url("gatsby.png");
  background-size: cover;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto;
  box-shadow: 
  /* logo shadow */ 0px 0px 2px #5f5f5f,
    /* offset */ 0px 0px 0px 5px #ecf0f3, /*bottom right */ 8px 8px 15px #a7aaaf,
    /* top left */ -8px -8px 15px #ffffff;
}
.title {
  text-align: center;
  font-size: 28px;
  padding-top: 24px;
  letter-spacing: 0.5px;
}
.sub-title {
  text-align: center;
  font-size: 15px;
  padding-top: 7px;
  padding-bottom: 7px;
  letter-spacing: 3px;
}
.signin-button {
  outline: none;
  border: none;
  cursor: pointer;
  width: 100%;
  height: 60px;
  border-radius: 30px;
  font-size: 20px;
  font-weight: 700;
  font-family: "Lato", sans-serif;
  color: #fff;
  text-align: center;
  background: #24cfaa;
  box-shadow: 3px 3px 8px #b1b1b1, -3px -3px 8px #ffffff;
  transition: 0.5s;
}
.signin-button svg {
  height: 22px;
  margin: 0 1px -3px;
}
.signin-button:hover {
  background: #2fdbb6;
}
.signin-button:active {
  background: #1da88a;
}
/*Button-two*/
.button-two {
  outline: none;
  border: none;
  cursor: pointer;
  width: 50%;
  height: 60px;
  border-radius: 10px;
  font-size: 20px;
  font-weight: 700;
  font-family: "Lato", sans-serif;
  color: #15737e;
  text-align: center;
  background: #81d8d0;
  box-shadow: 3px 3px 8px #b1b1b1, -3px -3px 8px #ffffff;
  transition: 0.5s;
}
.button-two:hover {
  background: #33a1de;
}
.button-two:active {
  background: #1da88a;
}