/*Ref: https://codepen.io/giana/pen/yYBpVY/ */
.borderline {
    background: none;
    border: 0;
    box-sizing: border-box;
    /*margin: 1em;*/
    /*padding: 1em 2em;*/
    /*box-shadow: inset 0 0 0 2px #f45e61;*/
    /*color: #f45e61;*/
    font-size: inherit;
    /*font-weight: 700;*/
    position: relative;
    vertical-align: middle;
}

    .borderline::before, .borderline::after {
        box-sizing: inherit;
        content: "";
        position: absolute;
        width: 100%;
        height: 100%;
    }

.drawlineR {
    -webkit-transition: color 0.25s;
    transition: color 0.25s;
}

    .drawlineR::before, .drawlineR::after {
        border-right: 2px solid /*transparent*/;
        width: 0;
        height: 0;
    }

    .drawlineR::before {
        top: 0;
        left: 0;
    }

    .drawlineR::after {
        bottom: 0;
        right: 0;
    }

    .drawlineR:hover {
        color: black;        
    }

        .drawlineR:hover::before, .drawlineR:hover::after {
            width: 100%;
            height: 100%;
        }

        .drawlineR:hover::before {
            top: 0.4em; /*線條高度*/
            height: 80%; /*線條高度*/
            border-right-color: #ff0000;
            /*-webkit-transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;*/
            transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;
        }

        .drawlineR:hover::after {
            top: 0.4em; /*線條高度*/
            height: 80%; /*線條高度*/
            border-right-color: #ff0000;
            transition: height 0.25s ease-out 0.75s;
            /*-webkit-transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;
            transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;*/
        }


.drawlineL {
    -webkit-transition: color 0.25s;
    transition: color 0.25s;
}

    .drawlineL::before, .drawlineL::after {
        border-left: 2px solid /*transparent*/;
        width: 0;
        height: 0;
    }

    .drawlineL::before {
        top: 0;
        left: 0;
    }

    .drawlineL::after {
        bottom: 0;
        right: 0;
    }

    .drawlineL:hover {
        color: black;
    }

        .drawlineL:hover::before, .drawlineL:hover::after {
            width: 100%;
            height: 100%;
        }

        .drawlineL:hover::before {
            top: 0.4em; /*線條高度*/
            height: 80%; /*線條高度*/
            border-left-color: #ff0000;
            /*-webkit-transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;*/
            transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;
        }

        .drawlineL:hover::after {
            top: 0.4em; /*線條高度*/
            height: 80%; /*線條高度*/
            border-left-color: #ff0000;
            transition: height 0.25s ease-out 0.75s;
            /*-webkit-transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;
            transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;*/
        }
/*.meet:hover {
    color: #fbca67;
}

.meet::after {
    top: 0;
    left: 0;
}

.meet:hover::before {
    border-top-color: #fbca67;
    border-right-color: #fbca67;
}

.meet:hover::after {
    border-bottom-color: #fbca67;
    border-left-color: #fbca67;
    -webkit-transition: width 0.25s ease-out 0.25s;
    transition: width 0.25s ease-out 0.25s;
}

.center:hover {
    color: #6477b9;
}

.center::before, .center::after {
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    -webkit-transform-origin: center;
    transform-origin: center;
}

.center::before {
    border-top: 2px solid #6477b9;
    border-bottom: 2px solid #6477b9;
    -webkit-transform: scale3d(0, 1, 1);
    transform: scale3d(0, 1, 1);
}

.center::after {
    border-left: 2px solid #6477b9;
    border-right: 2px solid #6477b9;
    -webkit-transform: scale3d(1, 0, 1);
    transform: scale3d(1, 0, 1);
}

.center:hover::before, .center:hover::after {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
    -webkit-transition: -webkit-transform 0.5s;
    transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    transition: transform 0.5s, -webkit-transform 0.5s;
}

.spin {
    width: 5em;
    height: 5em;
    padding: 0;
}

    .spin:hover {
        color: #0eb7da;
    }

    .spin::before, .spin::after {
        top: 0;
        left: 0;
    }

    .spin::before {
        border: 2px solid transparent;
    }

    .spin:hover::before {
        border-top-color: #0eb7da;
        border-right-color: #0eb7da;
        border-bottom-color: #0eb7da;
        -webkit-transition: border-top-color 0.15s linear, border-right-color 0.15s linear 0.1s, border-bottom-color 0.15s linear 0.2s;
        transition: border-top-color 0.15s linear, border-right-color 0.15s linear 0.1s, border-bottom-color 0.15s linear 0.2s;
    }

    .spin::after {
        border: 0 solid transparent;
    }

    .spin:hover::after {
        border-top: 2px solid #0eb7da;
        border-left-width: 2px;
        border-right-width: 2px;
        -webkit-transform: rotate(270deg);
        transform: rotate(270deg);
        -webkit-transition: border-left-width 0s linear 0.35s, -webkit-transform 0.4s linear 0s;
        transition: border-left-width 0s linear 0.35s, -webkit-transform 0.4s linear 0s;
        transition: transform 0.4s linear 0s, border-left-width 0s linear 0.35s;
        transition: transform 0.4s linear 0s, border-left-width 0s linear 0.35s, -webkit-transform 0.4s linear 0s;
    }

.circle {
    border-radius: 100%;
    box-shadow: none;
}

    .circle::before, .circle::after {
        border-radius: 100%;
    }

.thick {
    color: #f45e61;
}

    .thick:hover {
        color: #fff;
        font-weight: 700;
    }

    .thick::before {
        border: 2.5em solid transparent;
        z-index: -1;
    }

    .thick::after {
        mix-blend-mode: color-dodge;
        z-index: -1;
    }

    .thick:hover::before {
        background: #f45e61;
        border-top-color: #f45e61;
        border-right-color: #f45e61;
        border-bottom-color: #f45e61;
        -webkit-transition: background 0s linear 0.4s, border-top-color 0.15s linear, border-right-color 0.15s linear 0.15s, border-bottom-color 0.15s linear 0.25s;
        transition: background 0s linear 0.4s, border-top-color 0.15s linear, border-right-color 0.15s linear 0.15s, border-bottom-color 0.15s linear 0.25s;
    }

    .thick:hover::after {
        border-top: 2.5em solid #f45e61;
        border-left-width: 2.5em;
        border-right-width: 2.5em;
    }*/