body, html {
    margin: 0;
    font-family: Poppins, sans-serif;
    width: 100%;
    height: 100vh;
    overflow-x: hidden !important;
    overflow-y: visible !important;
}

h1 {
    margin-block-start: 0;
    margin-block-end: 0;
    margin-inline-start: 0;
    margin-inline-end: 0;
}

h3 {
    margin-block-start: 0;
    margin-block-end: 0;
    margin-inline-start: 0;
    margin-inline-end: 0;
}

p {
    margin-block-start: 0;
    margin-block-end: 0;
    margin-inline-start: 0;
    margin-inline-end: 0;
}

::-webkit-scrollbar {
    scrollbar-width: thin;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

.d-none {
    display: none;
    visibility: 0;
    overflow: hidden;
}

.d-flex {
    display: flex;
}

.b-disabled {
    background-color: rgba(0, 0, 0, 0.3) !important;
}

.b-disabled:hover {
    cursor: not-allowed;
}

/* animations */
@keyframes vibrate-1 {
    0% {
        -webkit-transform: translate(0);
        transform: translate(0);
    }

    20% {
        -webkit-transform: translate(-2px, 2px);
        transform: translate(-2px, 2px);
    }

    40% {
        -webkit-transform: translate(-2px, -2px);
        transform: translate(-2px, -2px);
    }

    60% {
        -webkit-transform: translate(2px, 2px);
        transform: translate(2px, 2px);
    }

    80% {
        -webkit-transform: translate(2px, -2px);
        transform: translate(2px, -2px);
    }

    100% {
        -webkit-transform: translate(0);
        transform: translate(0);
    }
}

@keyframes heartbeat {
    from {
        -webkit-transform: scale(1);
        transform: scale(1);
        -webkit-transform-origin: center center;
        transform-origin: center center;
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }

    10% {
        -webkit-transform: scale(0.91);
        transform: scale(0.91);
        -webkit-animation-timing-function: ease-in;
        animation-timing-function: ease-in;
    }

    17% {
        -webkit-transform: scale(0.98);
        transform: scale(0.98);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }

    33% {
        -webkit-transform: scale(0.87);
        transform: scale(0.87);
        -webkit-animation-timing-function: ease-in;
        animation-timing-function: ease-in;
    }

    45% {
        -webkit-transform: scale(1);
        transform: scale(1);
        -webkit-animation-timing-function: ease-out;
        animation-timing-function: ease-out;
    }
}

@keyframes shadow-drop-2-center {
    0% {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        -webkit-box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    }

    100% {
        -webkit-transform: translateZ(50px);
        transform: translateZ(50px);
        -webkit-box-shadow: 0 0 20px 0px rgba(0, 0, 0, 0.35);
        box-shadow: 0 0 20px 0px rgba(0, 0, 0, 0.35);
    }
}

@keyframes vibrate-2 {
    0% {
        -webkit-transform: translate(0);
        transform: translate(0);
    }

    20% {
        -webkit-transform: translate(2px, -2px);
        transform: translate(2px, -2px);
    }

    40% {
        -webkit-transform: translate(2px, 2px);
        transform: translate(2px, 2px);
    }

    60% {
        -webkit-transform: translate(-2px, 2px);
        transform: translate(-2px, 2px);
    }

    80% {
        -webkit-transform: translate(-2px, -2px);
        transform: translate(-2px, -2px);
    }

    100% {
        -webkit-transform: translate(0);
        transform: translate(0);
    }
}

@keyframes scale-up-center {
    0% {
        -webkit-transform: scale(0.5);
        transform: scale(0.5);
    }

    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

/* spinner */
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}