Button Styles

Source: Jaee Chew

Button 1

/* -- Squishy Hover Outline Button CSS -- */
.squishy-hover-outline-btn {
    background-color: #0071E3;
    color: white;
    padding: 14px 36px;
    font-size: 18px;
    border: 2px solid #0071E3;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.15s ease-in-out, background-color 0.15s ease-in-out, color 0.15s ease-in-out;
    font-weight: bold;
    user-select: none;
}

.squishy-hover-outline-btn:hover {
    transform: scale(0.95);
    background-color: transparent;
    color: #0071E3;
}

Button 2

/* -- Button CSS -- */
.ghlbtn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border-radius: 10rem;
    color: #fff;
    text-transform: uppercase;
    font-size: 1rem;
    letter-spacing: 0.15rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* Background layer */
.ghlbtn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #0071E3;
    border-radius: 10rem;
    z-index: -2;
}

/* Hover transition layer */
.ghlbtn::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: #005bb6;
 /* darker version of #0071E3 */
    transition: all 0.3s ease;
    border-radius: 10rem;
    z-index: -1;
}

/* Hover effect */
.ghlbtn:hover::before {
    width: 100%;
}

.ghlbtn:hover {
    color: #fff;
}

Button 3

/* -- Button CSS -- */

.obutton {
    position: relative;
    z-index: 1;x
    overflow: hidden;
    border: none;
    border-radius: 5px;
    padding: 1rem 2rem;
    font-size: 20px;
    font-family: sans-serif;
    background-color: #0071E3;
 /* changed from purple */
    color: white;
    transition: all .7s ease-in-out;
}

.obutton:hover {
    color: #0071E3;
 /* changed from purple */
}

.obutton::before {
    position: absolute;
    display: inline-block;
    top: 0;
    left: 0;
    z-index: -1;
    border-radius: 5px;
    width: 0;
    height: 100%;
    content: "";
    background-color: white;
    transition: all 700ms ease-in-out;
}

.obutton:hover::before {
    left: unset;
    right: 0;
    width: 100%;
    transform: rotate(180deg);
}

Button 4

/* -- Button CSS -- */

.shadow__btn {
    padding: 10px 20px;
    border: none;
    font-size: 17px;
    color: #fff;
    border-radius: 7px;
    letter-spacing: 4px;
    font-weight: 700;
    text-transform: uppercase;
    transition: 0.5s;
    transition-property: box-shadow;
}

.shadow__btn {
    background: rgb(0,140,255);
    box-shadow: 0 0 25px rgb(0,140,255);
}

.shadow__btn:hover {
    box-shadow: 0 0 5px rgb(0,140,255),
              0 0 25px rgb(0,140,255),
              0 0 50px rgb(0,140,255),
              0 0 100px rgb(0,140,255);
}

Button 5

/* -- Button CSS -- */

.fbutton {
    position: relative;
    font-size: 1.2em;
    padding: 0.7em 1.4em;
    background-color: #BF0426;
    text-decoration: none;
    border: none;
    border-radius: 0.5em;
    color: #DEDEDE;
    box-shadow: 0.5em 0.5em 0.5em rgba(0, 0, 0, 0.3);
}

.fbutton::before {
    position: absolute;
    content: '';
    height: 0;
    width: 0;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, rgb(238, 238, 238) 0%, rgba(238, 238, 238) 50%, rgb(0, 113, 227) 50%, rgb(0, 75, 151) 60%);
    border-radius: 0 0 0.5em 0;
    box-shadow: 0.2em 0.2em 0.2em rgba(0, 0, 0, 0.3);
    transition: 0.3s;
}

.fbutton:hover::before {
    width: 1.6em;
    height: 1.6em;
}

.fbutton:active {
    box-shadow: 0.2em 0.2em 0.3em rgba(0, 0, 0, 0.3);
    transform: translate(0.1em, 0.1em);
}

Button 6

.sleek-glow-btn {
    position: relative;
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 500;
    color: #ffffff;
    background-color: #0071E3;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.sleek-glow-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: skewX(-20deg);
    transition: all 0.5s ease;
}

.sleek-glow-btn:hover::before {
    left: 125%;
}

.sleek-glow-btn span {
    position: relative;
    z-index: 1;
}

Button 7

/* -- Button CSS -- */

.xbtn:hover {
    animation: jello-horizontal 0.9s both;
}

@keyframes jello-horizontal {
    0% {
        transform: scale3d(1, 1, 1);
    }

    30% {
        transform: scale3d(1.25, 0.75, 1);
    }

    40% {
        transform: scale3d(0.75, 1.25, 1);
    }

    50% {
        transform: scale3d(1.15, 0.85, 1);
    }

    65% {
        transform: scale3d(0.95, 1.05, 1);
    }

    75% {
        transform: scale3d(1.05, 0.95, 1);
    }

    100% {
        transform: scale3d(1, 1, 1);
    }
}

Button 8

/* -- Button CSS -- */

.corner-fill-btn {
    position: relative;
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    color: #0071E3;
    background: transparent;
    border: 2px solid #0071E3;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: color 0.4s ease;
    z-index: 1;
}

.corner-fill-btn::before {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    top: 0;
    left: 0;
    background: #0071E3;
    transition: all 0.9s ease;
    z-index: -1;
}

.corner-fill-btn:hover::before {
    width: 100%;
    height: 100%;
}

.corner-fill-btn:hover {
    color: white;
}

Button 9

/* -- Button CSS -- */

.btn-2 {
    background: #004dff;
    background: linear-gradient(0deg, #004dff 0%, #004dff 100%);
    border: none;
}

.btn-2:before {
    height: 0%;
    width: 2px;
}

.btn-2:hover {
    box-shadow: 4px 4px 6px 0 rgba(255,255,255,.5),
              -4px -4px 6px 0 rgba(116, 125, 136, .5), 
    inset -4px -4px 6px 0 rgba(255,255,255,.2),
    inset 4px 4px 6px 0 rgba(0, 0, 0, .4);
}

Button 10

/* -- Button CSS -- */

.gbutton {
    width: 9em;
    height: 3em;
    border-radius: 30em;
    font-size: 15px;
    font-family: inherit;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 6px 6px 12px #c5c5c5,
             -6px -6px 12px #ffffff;
}

.gbutton::before {
    content: '';
    width: 0;
    height: 3em;
    border-radius: 30em;
    position: absolute;
    top: 0;
    left: 0;
    background-image: linear-gradient(to right, #0fd850 0%, #f9f047 100%);
    transition: .5s ease;
    display: block;
    z-index: -1;
}

.gbutton:hover::before {
    width: 9em;
}

Button 11

/* -- Button CSS -- */

.corner-sweep-btn {
    position: relative;
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    color: #0071E3;
    background-color: transparent;
    border: 2px solid #0071E3;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: color 0.4s ease;
    z-index: 1;
}

.corner-sweep-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    background-color: #0071E3;
    z-index: -1;
    transition: width 0.3s ease, height 0.3s ease;
    border-bottom-right-radius: 100%;
}

.corner-sweep-btn:hover::before {
    width: 200%;
    height: 500%;
}

.corner-sweep-btn:hover {
    color: white;
}

Button 12

/* -- Button CSS -- */

.slide-up-btn {
    position: relative;
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    color: #0071E3;
    background: transparent;
    border: 2px solid #0071E3;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: color 0.4s ease;
}

.slide-up-btn::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0;
    background-color: #0071E3;
    border-radius: 8px;
    transition: height 0.4s ease;
    z-index: -1;
}

.slide-up-btn:hover::before {
    height: 100%;
}

.slide-up-btn:hover {
    color: white;
}

Button 13

/* -- Button CSS -- */

<style>
.wavebutton:body {
}

.wavebutton {
    display: flex;
    justify-content: center;
  /* centers text horizontally */
    align-items: center;
      /* centers text vertically */
    position: relative;
    z-index: 1;
    overflow: hidden;
    text-decoration: none;
    text-align: center;
    font-family: sans-serif;
    font-weight: 600;
    font-size: 2em;
    padding: 0.75em 2em;
    
      /* balanced horizontal padding for nice spacing */
    color: #0071E3;
    border: 0.15em solid #0071E3;
    border-radius: 1.4em;
    cursor: pointer;
    transition: 4s;
    user-select: none;
}

.wavebutton::before,
.wavebutton::after {
    content: '';
    position: absolute;
    top: -1.5em;
    z-index: -1;
    width: 200%;
    aspect-ratio: 1;
    border-radius: 40%;
    background-color: rgba(0, 113, 227, 0.25);
    transition: 4s;
}

.wavebutton::before {
    left: -80%;
    transform: translate3d(0, 5em, 0) rotate(-340deg);
}

.wavebutton::after {
    right: -80%;
    transform: translate3d(0, 5em, 0) rotate(390deg);
}

.wavebutton:hover,
.wavebutton:focus {
    color: white;
}

.wavebutton:hover::before,
.wavebutton:focus::before,
.wavebutton:hover::after,
.wavebutton:focus::after {
    transform: none;
    background-color: rgba(0, 113, 227, 0.75);
}
</style>

Button 14

/* -- Button CSS -- */

.underline-fill-btn {
    position: relative;
    padding: 14px 36px;
    font-size: 16px;
    color: #0071E3;
    background: transparent;
    border: 2px solid #0071E3;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 1;
}

.underline-fill-btn::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0%;
    background-color: #0071E3;
    z-index: -1;
    transition: height 0.4s ease;
}

.underline-fill-btn:hover::before {
    height: 100%;
}

.underline-fill-btn:hover {
    color: white;
}