style.css

@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@400;700&display=swap');
*,
*:after,
*:before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --Gradient: linear-gradient(to right, hsl(6, 100%, 80%), hsl(335, 100%, 65%));
    --MainTextClr: hsl(243, 100%, 93%);
    --CardMainClr: hsl(228, 56%, 26%);
    --GBTextLeftClr: hsl(229, 7%, 55%);
    --GBNumberLeftClr: hsl(229, 57%, 11%);
}

body {
    min-height: 100vh;
    background-image: url(./images/bg-mobile.png);
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: 'Raleway', sans-serif;
    font-size: 14px;
}

main {
    min-width: 320px;
    margin: auto;
    padding: 0 20px;
}

ul,
li {
    list-style-type: none;
}

.sr-only {
    border: 0 !important;
    clip: rect(1px, 1px, 1px, 1px) !important;
    -webkit-clip-path: inset(50%) !important;
    clip-path: inset(50%) !important;
    height: 1px !important;
    margin: -1px !important;
    overflow: hidden !important;
    padding: 0 !important;
    position: absolute !important;
    width: 1px !important;
    white-space: nowrap !important;
}

.top,
.bottom {
    background-color: var(--CardMainClr);
}

.top {
    margin-bottom: 15px;
    border-radius: 10px 100px 10px 10px;
    min-height: 200px;
    padding: 40px;
}

.top__logo {
    margin-bottom: 35px;
}

.top__icons {
    display: flex;
}

.top__icons li {
    background-color: var(--GBNumberLeftClr);
    border-radius: 10px;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    min-width: 45px;
}

.bottom {
    border-radius: 10px;
    position: relative;
    min-height: 160px;
    padding: 30px;
    z-index: -1;
    min-height: 160px;
}

.bottom__title {
    color: var(--MainTextClr);
    font-weight: 400;
    font-size: 1em;
    margin-bottom: 20px;
    text-align: center;
}

@media (max-width:375px) {
    .bottom__title {
        font-size: 0.85em;
    }
}

.bottom__title span {
    font-weight: 700;
}

.bottom__bar {
    background-color: var(--GBNumberLeftClr);
    height: 20px;
    border-radius: 25px;
    margin-bottom: 10px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 3px;
}

.bottom__bar-progress {
    height: 100%;
    width: 70%;
    background: var(--Gradient);
    border-radius: 25px;
    position: relative;
}

.bottom__bar-end {
    height: 10px;
    width: 10px;
    position: absolute;
    background-color: #fff;
    border-radius: 50%;
    right: 2px;
    top: 2px;
}

.bottom__range {
    display: flex;
    width: 100%;
    justify-content: space-between;
    font-weight: 700;
    color: var(--MainTextClr);
}

.left {
    background-color: #fff;
    padding: 10px 25px;
    color: var(--GBTextLeftClr);
    font-weight: 700;
    border-radius: 10px;
    text-align: center;
    z-index: 1;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 50%;
    position: absolute;
    bottom: -26.5px;
    left: 25%;
}

.gb {
    color: var(--GBNumberLeftClr);
    font-size: 2em;
    margin-right: 5px;
}

.left-gb {
    color: var(--GBTextLeftClr);
    font-size: .7em;
}

@media (min-width:900px) {
    body {
        background-color: var(--GBNumberLeftClr);
        background-image: none;
        position: relative;
    }
    body:after {
        content: "";
        position: absolute;
        bottom: 0;
        min-height: 50%;
        width: 100%;
        background-image: url(./images/bg-desktop.png);
        background-size: cover;
        background-position: top;
        background-repeat: no-repeat;
        z-index: -5;
    }
    main {
        display: flex;
        align-items: flex-end;
        min-width: 920px;
        padding: 0;
    }
    .top {
        margin: 0;
        min-width: 350px;
        margin-right: 30px;
        border-radius: 10px 100px 10px 10px;
    }
    .bottom {
        padding: 40px;
        min-width: 540px;
        position: relative;
    }
    .bottom__title {
        text-align: left;
    }
    .bottom__bar-end {
        max-width: 10px;
    }
    .left {
        left: auto;
        position: absolute;
        max-width: 180px;
        max-height: 75px;
        top: -50px;
        right: 40px;
        border-bottom-right-radius: 0;
        justify-content: space-evenly;
        padding: 10px 25px;
    }
    .left:after {
        content: "";
        position: absolute;
        display: inline-block;
        bottom: -15px;
        right: 0px;
        border-top: 30px solid #fff;
        border-left: 30px solid transparent;
    }
    .gb {
        font-size: 3em;
    }
}