css stylish buttons code example

Example 1: css button style rectangle

.placeholder-box {
  position: relative;
  display: block;
  width: 300px;
  min-height: 150px;
  margin-top: 50px;
  padding: 30px;
  border: 1px solid #888;
  border-radius: 10px;
  box-sizing: border-box;
  box-shadow: 0 0 8px 0 rgba(0,0,0,0.25);
}

.placeholder-box p {
  text-align: center;
  margin: 0 0 15px;
}

.placeholder-box ul {
  margin: 0;
}

/* Button */

button {
 display: block;
 border: solid white;
 border-width: 0 10px;
 border-radius: 0;
 background: green;
 color: white;
 font-size: 18px;
 margin: -60px auto 15px;
 padding: 15px;
}

Example 2: button styling css

.button {
    font-size: 16px;
    letter-spacing: 2px;
    font-weight: 400 !important;
    background-color: #e63946ff;
    color: #fff;
    padding: 23px 50px;
    margin: auto;
    text-align: center;
    display: inline-block !important;
    text-decoration: none;
    border: 0px;
    width: max-content;
    cursor: pointer;
    transition: all 0.3s 0s ease-in-out;
}

.button:hover {
    transform: scale(1.04, 1);
    background-color: rgb(216, 10, 27);
    text-decoration: none;
}

/* add extra functionality in button*/


/*button sizes*/
.btn_sm {
    padding: 17px 40px !important;
}

.btn_md {
    padding: 20px 50px !important;
}

.btn_lg {
    padding: 23px 60px !important;
}


/*make your button block level*/
.btn_block {
    width: 100% !important;
    padding: 22px 30px !important;
}