footer {
    width: 100%;
    min-height: 70px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #52050B ;
    color: #fff;
}

footer .pic-icon {
    display: flex;
    justify-content: center;
    align-items: center;
}

footer .pic-icon img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    cursor: pointer;
}

footer span {
    background-color: #fff;
    color: #000;
    padding: 10px;
    text-transform: uppercase;
    position: relative;
}

footer span::before {
    content: "";
    width: 10%;
    height: 35%;
    background-color: #000;
    position: absolute;
    top: 0px;
    left: 0px;
    border-radius: 0 0 20px 0;
    -webkit-border-radius: 0 0 20px 0;
    -moz-border-radius: 0 0 20px 0;
    -ms-border-radius: 0 0 20px 0;
    -o-border-radius: 0 0 20px 0;
}
footer span::after {
    content: "";
    width: 10px;
    height: 100%;
    background-color: #000;
    position: absolute;
    bottom: 0px;
    right: 0;
}

footer .name {
    font-size: 20px;
    font-weight: bold;
    padding: 10px;
}

footer .rights {
    font-size: 10px;
    font-weight: 100;
}


@media (max-width: 320px) {
    footer {
        min-height: 40px;
    }
    
    footer .pic-icon img {
        width: 30px;
        height: 30px;
    }
    
    footer span {
        padding: 7px;
        font-size: 5px;
    }
    
    footer .name {
        font-size: 10px;
    }
    
    footer .rights {
        font-size: 5px;
    }
}

@media (min-width: 321px) and (max-width: 480px) {
    footer {
        min-height: 45px;
    }
    
    footer .pic-icon img {
        width: 35px;
        height: 35px;
    }
    
    footer span {
        padding: 7px;
        font-size: 9px;
    }
    
    footer .name {
        font-size: 12px;
    }
    
    footer .rights {
        font-size: 7px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    footer {
        min-height: 50px;
    }
    
    footer .pic-icon img {
        width: 38px;
        height: 38px;
    }
    
    footer span {
        padding: 7px;
        font-size: 10px;
    }
    
    footer .name {
        font-size: 15px;
    }
    
    footer .rights {
        font-size: 9px;
    }
}