Как уменьшить радиус svg

<svg focusable="false" class="zoom">
            <path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"></path>
        </svg>
        <input type="text" style="border:none;">
        <svg class="voice">
            <path d="m12 15c1.66 0 3-1.31 3-2.97v-7.02c0-1.66-1.34-3.01-3-3.01s-3 1.34-3 3.01v7.02c0 1.66 1.34 2.97 3 2.97z" fill="#4285f4"></path>
            <path d="m11 18.08h2v3.92h-2z" fill="#34a853"></path>
            <path d="m7.05 16.87c-1.27-1.33-2.05-2.83-2.05-4.87h2c0 1.45 0.56 2.42 1.47 3.38v0.32l-1.15 1.18z" fill="#f4b400"></path>
            <path d="m12 16.93a4.97 5.25 0 0 1 -3.54 -1.55l-1.41 1.49c1.26 1.34 3.02 2.13 4.95 2.13 3.87 0 6.99-2.92 6.99-7h-1.99c0 2.92-2.24 4.93-5 4.93z" fill="#ea4335"></path>
            
        </svg>

.zoom {
  position: absolute;
  margin: 13px;
  fill: #b3b7bc;
}

.voice {
  position: absolute;
  margin: 1.7% 1.7% 1.7% 96%;
  cursor: pointer;
}