.shake {
    animation: shake 0.4s;
    border-color: #dc3545 !important;
}

@keyframes shake {
    0% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-6px);
    }

    40% {
        transform: translateX(6px);
    }

    60% {
        transform: translateX(-6px);
    }

    80% {
        transform: translateX(6px);
    }

    100% {
        transform: translateX(0);
    }
}

@-webkit-keyframes spinner-border {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}

@keyframes spinner-border {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg)
    }
}

.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: .25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    -webkit-animation: spinner-border .75s linear infinite;
    animation: spinner-border .75s linear infinite
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: .2em
}

@-webkit-keyframes spinner-grow {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0)
    }

    50% {
        opacity: 1
    }
}

@keyframes spinner-grow {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0)
    }

    50% {
        opacity: 1
    }
}

.spinner-grow {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    background-color: currentColor;
    border-radius: 50%;
    opacity: 0;
    -webkit-animation: spinner-grow .75s linear infinite;
    animation: spinner-grow .75s linear infinite
}

.spinner-grow-sm {
    width: 1rem;
    height: 1rem
}