calculadora.css

input[type="button"]
{
background-color: white;
border: none;
color: black;
font-weight: bold;
padding: 6px 20px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 20px;
margin: 4px 4px;
cursor: pointer;
box-shadow: 3px 3px 3px black;
}

input[type="text"]{
    border: solid;
    color: black;
    padding: 15px 32;
    text-align: right;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    width: 95%;
    box-shadow: 3px 3px 3px black;
}
body{
    background-color: black;
}
table{
    display: block;
    margin: 0 auto;
    padding: 20px;
    background-color: blueviolet;
    width: 350px;
    height: 300px;
    border-radius: 25px;
}

.container{
    display: flex;
    align-items: center;
    overflow: hidden;
    height: 50vh;
    width: 50%;
}
.path{
    display: flex;
    justify-content: space-around;
    width: 100%;
    animation: eating-path 0.5s linear infinite;
}
.path::before{
    content: "";
    background-color: #fff;
    height: 1rem;
    width: 1rem;
    border-radius: 50%;
}
@keyframes eating-path{
    0%{
        transform: translateX(50%);
    }
    100%{
        transform: translate(-50%);
    }
}
.pacman{
    position: relative;
    background: transparent;
    z-index: 1;

}
.pacman::before, .pacman::after{
    content: "";
    position: absolute;
    top: -35px;
    display: block;
    border-radius: 50%;
    height: 0px;
    width: 0px;
}
.pacman::before{
    animation: chunk-top 0.5s ease infinite;
    border: 35px solid #ffcc00;
    border-left-color: transparent;
    border-bottom-color: transparent;
}
@keyframes chunk-top{
    0%,100%{
    transform: rotate(-45deg);
    }
    50%{
        transform: rotate(-80deg);
    }
}
.pacman::after{
    animation: chunk-bottom 0.5s ease infinite;
    border: 35px solid #ffcc00;
    border-right-color: transparent;
    border-top-color: transparent;
}
@keyframes chunk-bottom{
    0%,100%{
        transform: rotate(-40deg);
    }
    50%{
        transform: rotate(0deg);
    }
}