@charset "utf-8";
/* CSS Document */

#panel-btn {
    display: inline-block;
    position: relative;
    width: 100px;
    height: 100px;
    background: rgba(53, 60, 61, 1);
    z-index: 5000;
}

#panel-btn:hover {
    background: rgba(73, 41, 31, 0.5);
}

#panel-btn-icon {
    z-index: 2000;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 70%;
    height: 2px;
    margin: auto;
    background: rgba(255, 255, 255, 1);
    transition: .3s;
}

#panel-btn-icon:before,
#panel-btn-icon:after {
    display: block;
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 1);
    transition: .5s;
}

#panel-btn-icon:before {
    margin-top: -12px;
}

#panel-btn-icon:after {
    margin-top: 10px;
}

#panel-btn .close {
    background: transparent;
}

#panel-btn .close:before,
#panel-btn .close:after {
    margin-top: 0;
}

#panel-btn .close:before {
    transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
}

#panel-btn .close:after {
    transform: rotate(-135deg);
    -webkit-transform: rotate(-135deg);
}

@media screen and (max-width: 860px) {
    #panel-btn {
        width: 100px;
        height: 100px;
    }

    #panel-btn-icon:before {
        margin-top: -22px;
    }

    #panel-btn-icon:after {
        margin-top: 18px;
    }
}

@media screen and (max-width: 640px) {
    #panel-btn {
        width: 80px;
        height: 80px;
    }

    #panel-btn-icon:before {
        margin-top: -16px;
    }

    #panel-btn-icon:after {
        margin-top: 14px;
    }
}

@media screen and (max-width: 480px) {
    #panel-btn {
        width: 60px;
        height: 60px;
    }

    #panel-btn-icon:before {
        margin-top: -14px;
    }

    #panel-btn-icon:after {
        margin-top: 12px;
    }
}

@media screen and (max-width: 360px) {
    #panel-btn {
        width: 50px;
        height: 50px;
    }

    #panel-btn-icon:before {
        margin-top: -12px;
    }

    #panel-btn-icon:after {
        margin-top: 10px;
    }
}