@-webkit-keyframes mdp-float-aura {
    from {
        box-shadow: 0 0 0 -1px var(--hmp-color-75),0 0 0 -1px var(--hmp-color-50),0 0 0 -1px var(--hmp-color-25)
    }

    to {
        box-shadow: 0 0 0 15px rgba(255,255,255,0),0 0 0 30px rgba(255,255,255,0),0 0 0 45px rgba(255,255,255,0)
    }
}

@keyframes mdp-float-aura {
    from {
        box-shadow: 0 0 0 -1px var(--hmp-color-75),0 0 0 -1px var(--hmp-color-50),0 0 0 -1px var(--hmp-color-25)
    }

    to {
        box-shadow: 0 0 0 15px rgba(255,255,255,0),0 0 0 30px rgba(255,255,255,0),0 0 0 45px rgba(255,255,255,0)
    }
}

@-webkit-keyframes mdp-float-init {
    0% {
        opacity: 0;
        transform: scale(.25)
    }

    50% {
        opacity: 0
    }

    80% {
        transform: scale(1);
        opacity: 1
    }

    90% {
        transform: scale(1.2)
    }

    100% {
        transform: scale(1)
    }
}

@keyframes mdp-float-init {
    0% {
        opacity: 0;
        transform: scale(.25)
    }

    50% {
        opacity: 0
    }

    80% {
        transform: scale(1);
        opacity: 1
    }

    90% {
        transform: scale(1.2)
    }

    100% {
        transform: scale(1)
    }
}

.mdp-float {
    --hmp-color: rgb( 51, 153, 255 );
    --hmp-color-75: rgba( 51, 153, 255, .75);
    --hmp-color-50: rgba( 51, 153, 255, .5 );
    --hmp-color-25: rgba( 51, 153, 255, .25 );
    --hmp-color-5: rgba( 51, 153, 255, .05 );
    position: absolute;
    z-index: 999999;
    border-radius: 50%;
    top: 3em;
    right: 3em;
    width: 3em;
    height: 3em;
    transition: .75s;
    transition-timing-function: ease-out
}

    .mdp-float:hover {
        -webkit-animation: mdp-float-aura infinite;
        animation: mdp-float-aura infinite;
        -webkit-animation-duration: 2s;
        animation-duration: 2s
    }

    .mdp-float.mdp-float-inertia {
        transition: .25s
    }

    .mdp-float.mdp-float-slow {
        transition-delay: .5s;
        transition: 5s
    }

    .mdp-float.mdp-float-init {
        -webkit-animation: mdp-float-init 1s;
        animation: mdp-float-init 1s;
        -webkit-animation-fill-mode: both;
        animation-fill-mode: both
    }

.mdp-float-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    width: 3em;
    height: 3em;
    text-shadow: 1px 0 0 var(--hmp-color);
    background-image: linear-gradient(210deg,var(--hmp-color-5) 0,var(--hmp-color-25) 100%);
    background-color: #fff;
    transition: .25s;
    box-shadow: 0 7px 13px -3px var(--hmp-color-25),0 2px 4px 0 var(--hmp-color-50),inset 0 0 0 0 var(--hmp-color);
    position: relative
}

    .mdp-float-btn:before {
        content: "";
        position: absolute;
        z-index: 1;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--hmp-color);
        border-radius: 50%;
        transform: scale(0);
        transition-property: transform;
        transition-duration: .25s;
        transition-timing-function: ease-out
    }

    .mdp-float-btn svg {
        width: 1em;
        height: 1em;
        fill: var(--hmp-color);
        z-index: 2
    }

    .mdp-float-btn:focus {
        outline: 0
    }

    .mdp-float-btn:hover {
        transition: .25s;
        transition-delay: 125ms;
        box-shadow: 0 7px 26px -3px var(--hmp-color-25),0 2px 8px 0 var(--hmp-color-50);
        border: none
    }

        .mdp-float-btn:hover:before {
            transform: scale(1)
        }

        .mdp-float-btn:hover svg {
            transform: scale(1.1);
            fill: #fff
        }

    .mdp-float-btn:active {
        transform: scale(.75)
    }

@media (max-width:720px) {
    .mdp-float {
        top: 1.5em;
        right: 1.5em
    }
}