.red_but{
    font-family:'HelveticaNeue';
    color: #E60514;
    background: none;
    border: 0;
    font-size: 25px;
}
.red_but:hover{
    border-bottom: 2px solid #E60514;
    padding-bottom:10px;
}
.yellow_but{
    font-family:'HelveticaNeue';
    color: #FFD500;
    background: none;
    border: 0;
    font-size: 25px;
}
.yellow_but:hover{
    border-bottom: 2px solid #FFD500;
    padding-bottom:10px;
}
.green_but{
    font-family:'HelveticaNeue';
    color: #3CA532;
    background: none;
    border: 0;
    font-size: 25px;
}
.green_but:hover{
    border-bottom: 2px solid #3CA532;
    padding-bottom:10px;
}

.glow-on-hover {
    width: 220px;
    height: 50px;
    border: none;
    outline: none;
    color: #fff;
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px;
    text-transform: uppercase;
}

.glow-on-hover:before {
    content: '';
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    position: absolute;
    top: -2px;
    left:-2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    opacity: 1;
    transition: opacity .3s ease-in-out;
    border-radius: 10px;
}

.glow-on-hover:active {
    color: #000
}

.glow-on-hover:active:after {
    background: transparent;
}

.glow-on-hover:hover:before {
    opacity: 1;
}

.glow-on-hover:after {
    z-index: -1;
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: #111;
    left: 0;
    top: 0;
    border-radius: 10px;
}

@keyframes glowing {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}
.p1 {
    font-size: 8px;
    text-align: center;
    text-transform:lowercase;
    padding-top:8px;
}
    
@media(max-width:1000px){
    .glow-on-hover {
        width: 80%;
        height: 40px;
    }
    .p1 {
        font-size: 7px;
    }
}