.btn-slide {
    background-color: #e74c3c;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    overflow: hidden;
    position: relative;
}
.btn-slide:before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
}
.btn-slide:hover:before {
    left: 0;
}
	




	.btn-text-reveal {
    background-color: #8e44ad;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    overflow: hidden;
    position: relative;
}

.btn-text-reveal:before {
    content: "退出";
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #8e44ad;
    background: #fff;
    transition: left 0.3s ease;
}

.btn-text-reveal:hover:before {
    left: 0;
}
	






.btn-shadow-pop {
    background-color: #2ecc71;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: box-shadow 0.3s ease;
}

.btn-shadow-pop:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}
	
	
	
.btn-3d {
    background-color: #FF5733;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 4px #C70039;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.btn-3d:active {
    transform: translateY(4px);
    box-shadow: 0 2px #C70039;
}



.btn-ripple {
    position: relative;
    overflow: hidden;
    background-color: #2196F3;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.btn-ripple:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.6s ease;
}
.btn-ripple:hover:after {
    transform: translate(-50%, -50%) scale(1);
}





.btn-raised {
    background-color: #4CAF50;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: box-shadow 0.3s ease;
}
.btn-raised:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}



.btn-outline {
    background: transparent;
    color: #333;
    padding: 1rem 2rem;
    border: 2px solid #333;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s, color 0.3s ease;
}
.btn-outline:hover {
    background: #333;
    color: #fff;
}





.btn-gradient {
    background: linear-gradient(45deg, #ff7a18, #af002d 70%);
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}
.btn-gradient:hover {
    background: linear-gradient(45deg, #ff7a18, #c70e48 70%);
}




/*  https://www.includehelp.com/html/css-buttons-examples.aspx     */





.btn-bgcolor{


                display: inline-block;
                outline: 0;
                cursor: pointer;
                border-radius: 6px;
                border: 2px solid #ff4742;
                color: #ff4742;
                background: 0 0;
                padding: 8px;
                box-shadow: rgba(0, 0, 0, 0.07) 0px 2px 4px 0px, rgba(0, 0, 0, 0.05) 0px 1px 1.5px 0px;
                font-weight: 800;
                font-size: 16px;
                height: 42px;
}
         
.btn-bgcolor:hover{
                    background-color: #ff4742;
                    color: #fff;
                }