* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    font-family: 'Manrope', sans-serif;
    background: #111;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-around;
    height: 100%;
    padding: 5rem;
}

.heading {
    color: #eee;
    font-size: 4rem;
    font-weight: 300;
}

.montserrat-900 {
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: 900;
    font-style: normal;
}

.montserrat-500 {
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
}

.manrope-300 {
    font-family: "Manrope", sans-serif;
    font-optical-sizing: auto;
    font-weight: 300;
    font-style: normal;
}

.manrope-500 {
    font-family: "Manrope", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
}

.manrope-800 {
    font-family: "Manrope", sans-serif;
    font-optical-sizing: auto;
    font-weight: 800;
    font-style: normal;
}

.font-small {
    font-size: 2rem;
}

.font-xsmall {
    font-size: 1.5rem;
}

#button-container {
    display: block;
    text-align: center;
}


#button-container .btn {
    position: relative;
    padding: 20px 70px;
    border: 1px solid white;
    background-color: transparent;
    color: white;
    text-decoration: none;
    font-size: 1.125em;
    text-transform: uppercase;
    letter-spacing: 2px;
    -webkit-font-smoothing: antialiased;
}
#button-container .btn:hover {
    border: none;
}
#button-container .btn:hover .line-1 {
    -webkit-animation: move1 1500ms infinite ease;
    animation: move1 1500ms infinite ease;
}
#button-container .btn:hover .line-2 {
    -webkit-animation: move2 1500ms infinite ease;
    animation: move2 1500ms infinite ease;
}
#button-container .btn:hover .line-3 {
    -webkit-animation: move3 1500ms infinite ease;
    animation: move3 1500ms infinite ease;
}
#button-container .btn:hover .line-4 {
    -webkit-animation: move4 1500ms infinite ease;
    animation: move4 1500ms infinite ease;
}
#button-container .line-1 {
    content: "";
    display: block;
    position: absolute;
    width: 1px;
    background-color: white;
    left: 0;
    bottom: 0;
}
#button-container .line-2 {
    content: "";
    display: block;
    position: absolute;
    height: 1px;
    background-color: white;
    left: 0;
    top: 0;
}
#button-container .line-3 {
    content: "";
    display: block;
    position: absolute;
    width: 1px;
    background-color: white;
    right: 0;
    top: 0;
}
#button-container .line-4 {
    content: "";
    display: block;
    position: absolute;
    height: 1px;
    background-color: white;
    right: 0;
    bottom: 0;
}

@-webkit-keyframes move1 {
    0% {
        height: 100%;
        bottom: 0;
    }
    54% {
        height: 0;
        bottom: 100%;
    }
    55% {
        height: 0;
        bottom: 0;
    }
    100% {
        height: 100%;
        bottom: 0;
    }
}

@keyframes move1 {
    0% {
        height: 100%;
        bottom: 0;
    }
    54% {
        height: 0;
        bottom: 100%;
    }
    55% {
        height: 0;
        bottom: 0;
    }
    100% {
        height: 100%;
        bottom: 0;
    }
}
@-webkit-keyframes move2 {
    0% {
        width: 0;
        left: 0;
    }
    50% {
        width: 100%;
        left: 0;
    }
    100% {
        width: 0;
        left: 100%;
    }
}
@keyframes move2 {
    0% {
        width: 0;
        left: 0;
    }
    50% {
        width: 100%;
        left: 0;
    }
    100% {
        width: 0;
        left: 100%;
    }
}
@-webkit-keyframes move3 {
    0% {
        height: 100%;
        top: 0;
    }
    54% {
        height: 0;
        top: 100%;
    }
    55% {
        height: 0;
        top: 0;
    }
    100% {
        height: 100%;
        top: 0;
    }
}
@keyframes move3 {
    0% {
        height: 100%;
        top: 0;
    }
    54% {
        height: 0;
        top: 100%;
    }
    55% {
        height: 0;
        top: 0;
    }
    100% {
        height: 100%;
        top: 0;
    }
}
@-webkit-keyframes move4 {
    0% {
        width: 0;
        right: 0;
    }
    55% {
        width: 100%;
        right: 0;
    }
    100% {
        width: 0;
        right: 100%;
    }
}
@keyframes move4 {
    0% {
        width: 0;
        right: 0;
    }
    55% {
        width: 100%;
        right: 0;
    }
    100% {
        width: 0;
        right: 100%;
    }
}